19124050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 40817700

約数和(自身を除く): 21693650

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 109, 110, 121, 145, 218, 242, 275, 290, 319, 545, 550, 605, 638, 725, 1090, 1199, 1210, 1450, 1595, 2398, 2725, 3025, 3161, 3190, 3509, 5450, 5995, 6050, 6322, 7018, 7975, 11990, 13189, 15805, 15950, 17545, 26378, 29975, 31610, 34771, 35090, 59950, 65945, 69542, 79025, 87725, 131890, 158050, 173855, 175450, 329725, 347710, 382481, 659450, 764962, 869275, 1738550, 1912405, 3824810, 9562025, 19124050]

約数ペア:

[(1, 19124050), (2, 9562025), (5, 3824810), (10, 1912405), (11, 1738550), (22, 869275), (25, 764962), (29, 659450), (50, 382481), (55, 347710), (58, 329725), (109, 175450), (110, 173855), (121, 158050), (145, 131890), (218, 87725), (242, 79025), (275, 69542), (290, 65945), (319, 59950), (545, 35090), (550, 34771), (605, 31610), (638, 29975), (725, 26378), (1090, 17545), (1199, 15950), (1210, 15805), (1450, 13189), (1595, 11990), (2398, 7975), (2725, 7018), (3025, 6322), (3161, 6050), (3190, 5995), (3509, 5450)]