18037138900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{3581}}^1$

素因数の和:3866

約数の個数: 144

約数和(自身を含む): 45145235520

約数和(自身を除く): 27108096620

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 241, 275, 380, 418, 475, 482, 550, 836, 950, 964, 1045, 1100, 1205, 1900, 2090, 2410, 2651, 3581, 4180, 4579, 4820, 5225, 5302, 6025, 7162, 9158, 10450, 10604, 12050, 13255, 14324, 17905, 18316, 20900, 22895, 24100, 26510, 35810, 39391, 45790, 50369, 53020, 66275, 68039, 71620, 78782, 89525, 91580, 100738, 114475, 132550, 136078, 157564, 179050, 196955, 201476, 228950, 251845, 265100, 272156, 340195, 358100, 393910, 457900, 503690, 680390, 748429, 787820, 863021, 984775, 1007380, 1259225, 1360780, 1496858, 1700975, 1726042, 1969550, 2518450, 2993716, 3401950, 3452084, 3742145, 3939100, 4315105, 5036900, 6803900, 7484290, 8630210, 9493231, 14968580, 16397399, 17260420, 18710725, 18986462, 21575525, 32794798, 37421450, 37972924, 43151050, 47466155, 65589596, 74842900, 81986995, 86302100, 94932310, 163973990, 180371389, 189864620, 237330775, 327947980, 360742778, 409934975, 474661550, 721485556, 819869950, 901856945, 949323100, 1639739900, 1803713890, 3607427780, 4509284725, 9018569450, 18037138900]

約数ペア:

[(1, 18037138900), (2, 9018569450), (4, 4509284725), (5, 3607427780), (10, 1803713890), (11, 1639739900), (19, 949323100), (20, 901856945), (22, 819869950), (25, 721485556), (38, 474661550), (44, 409934975), (50, 360742778), (55, 327947980), (76, 237330775), (95, 189864620), (100, 180371389), (110, 163973990), (190, 94932310), (209, 86302100), (220, 81986995), (241, 74842900), (275, 65589596), (380, 47466155), (418, 43151050), (475, 37972924), (482, 37421450), (550, 32794798), (836, 21575525), (950, 18986462), (964, 18710725), (1045, 17260420), (1100, 16397399), (1205, 14968580), (1900, 9493231), (2090, 8630210), (2410, 7484290), (2651, 6803900), (3581, 5036900), (4180, 4315105), (4579, 3939100), (4820, 3742145), (5225, 3452084), (5302, 3401950), (6025, 2993716), (7162, 2518450), (9158, 1969550), (10450, 1726042), (10604, 1700975), (12050, 1496858), (13255, 1360780), (14324, 1259225), (17905, 1007380), (18316, 984775), (20900, 863021), (22895, 787820), (24100, 748429), (26510, 680390), (35810, 503690), (39391, 457900), (45790, 393910), (50369, 358100), (53020, 340195), (66275, 272156), (68039, 265100), (71620, 251845), (78782, 228950), (89525, 201476), (91580, 196955), (100738, 179050), (114475, 157564), (132550, 136078)]