18291870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{563}}^1$

素因数の和:614

約数の個数: 72

約数和(自身を含む): 50282856

約数和(自身を除く): 31990986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 361, 563, 570, 722, 855, 1083, 1126, 1689, 1710, 1805, 2166, 2815, 3249, 3378, 3610, 5067, 5415, 5630, 6498, 8445, 10134, 10697, 10830, 16245, 16890, 21394, 25335, 32091, 32490, 50670, 53485, 64182, 96273, 106970, 160455, 192546, 203243, 320910, 406486, 481365, 609729, 962730, 1016215, 1219458, 1829187, 2032430, 3048645, 3658374, 6097290, 9145935, 18291870]

約数ペア:

[(1, 18291870), (2, 9145935), (3, 6097290), (5, 3658374), (6, 3048645), (9, 2032430), (10, 1829187), (15, 1219458), (18, 1016215), (19, 962730), (30, 609729), (38, 481365), (45, 406486), (57, 320910), (90, 203243), (95, 192546), (114, 160455), (171, 106970), (190, 96273), (285, 64182), (342, 53485), (361, 50670), (563, 32490), (570, 32091), (722, 25335), (855, 21394), (1083, 16890), (1126, 16245), (1689, 10830), (1710, 10697), (1805, 10134), (2166, 8445), (2815, 6498), (3249, 5630), (3378, 5415), (3610, 5067)]