18983640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 62979840

約数和(自身を除く): 43996200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 283, 312, 344, 390, 430, 516, 520, 559, 566, 645, 780, 849, 860, 1032, 1118, 1132, 1290, 1415, 1560, 1677, 1698, 1720, 2236, 2264, 2580, 2795, 2830, 3354, 3396, 3679, 4245, 4472, 5160, 5590, 5660, 6708, 6792, 7358, 8385, 8490, 11037, 11180, 11320, 12169, 13416, 14716, 16770, 16980, 18395, 22074, 22360, 24338, 29432, 33540, 33960, 36507, 36790, 44148, 48676, 55185, 60845, 67080, 73014, 73580, 88296, 97352, 110370, 121690, 146028, 147160, 158197, 182535, 220740, 243380, 292056, 316394, 365070, 441480, 474591, 486760, 632788, 730140, 790985, 949182, 1265576, 1460280, 1581970, 1898364, 2372955, 3163940, 3796728, 4745910, 6327880, 9491820, 18983640]

約数ペア:

[(1, 18983640), (2, 9491820), (3, 6327880), (4, 4745910), (5, 3796728), (6, 3163940), (8, 2372955), (10, 1898364), (12, 1581970), (13, 1460280), (15, 1265576), (20, 949182), (24, 790985), (26, 730140), (30, 632788), (39, 486760), (40, 474591), (43, 441480), (52, 365070), (60, 316394), (65, 292056), (78, 243380), (86, 220740), (104, 182535), (120, 158197), (129, 147160), (130, 146028), (156, 121690), (172, 110370), (195, 97352), (215, 88296), (258, 73580), (260, 73014), (283, 67080), (312, 60845), (344, 55185), (390, 48676), (430, 44148), (516, 36790), (520, 36507), (559, 33960), (566, 33540), (645, 29432), (780, 24338), (849, 22360), (860, 22074), (1032, 18395), (1118, 16980), (1132, 16770), (1290, 14716), (1415, 13416), (1560, 12169), (1677, 11320), (1698, 11180), (1720, 11037), (2236, 8490), (2264, 8385), (2580, 7358), (2795, 6792), (2830, 6708), (3354, 5660), (3396, 5590), (3679, 5160), (4245, 4472)]