19188120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 67184640

約数和(自身を除く): 47996520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 431, 530, 636, 742, 795, 840, 862, 1060, 1113, 1272, 1293, 1484, 1590, 1724, 1855, 2120, 2155, 2226, 2586, 2968, 3017, 3180, 3448, 3710, 4310, 4452, 5172, 5565, 6034, 6360, 6465, 7420, 8620, 8904, 9051, 10344, 11130, 12068, 12930, 14840, 15085, 17240, 18102, 22260, 22843, 24136, 25860, 30170, 36204, 44520, 45255, 45686, 51720, 60340, 68529, 72408, 90510, 91372, 114215, 120680, 137058, 159901, 181020, 182744, 228430, 274116, 319802, 342645, 362040, 456860, 479703, 548232, 639604, 685290, 799505, 913720, 959406, 1279208, 1370580, 1599010, 1918812, 2398515, 2741160, 3198020, 3837624, 4797030, 6396040, 9594060, 19188120]

約数ペア:

[(1, 19188120), (2, 9594060), (3, 6396040), (4, 4797030), (5, 3837624), (6, 3198020), (7, 2741160), (8, 2398515), (10, 1918812), (12, 1599010), (14, 1370580), (15, 1279208), (20, 959406), (21, 913720), (24, 799505), (28, 685290), (30, 639604), (35, 548232), (40, 479703), (42, 456860), (53, 362040), (56, 342645), (60, 319802), (70, 274116), (84, 228430), (105, 182744), (106, 181020), (120, 159901), (140, 137058), (159, 120680), (168, 114215), (210, 91372), (212, 90510), (265, 72408), (280, 68529), (318, 60340), (371, 51720), (420, 45686), (424, 45255), (431, 44520), (530, 36204), (636, 30170), (742, 25860), (795, 24136), (840, 22843), (862, 22260), (1060, 18102), (1113, 17240), (1272, 15085), (1293, 14840), (1484, 12930), (1590, 12068), (1724, 11130), (1855, 10344), (2120, 9051), (2155, 8904), (2226, 8620), (2586, 7420), (2968, 6465), (3017, 6360), (3180, 6034), (3448, 5565), (3710, 5172), (4310, 4452)]