18236790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 56525040

約数和(自身を除く): 38288250

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 109, 110, 117, 130, 143, 165, 169, 195, 198, 218, 234, 286, 327, 330, 338, 390, 429, 495, 507, 545, 585, 654, 715, 845, 858, 981, 990, 1014, 1090, 1170, 1199, 1287, 1417, 1430, 1521, 1635, 1690, 1859, 1962, 2145, 2398, 2535, 2574, 2834, 3042, 3270, 3597, 3718, 4251, 4290, 4905, 5070, 5577, 5995, 6435, 7085, 7194, 7605, 8502, 9295, 9810, 10791, 11154, 11990, 12753, 12870, 14170, 15210, 15587, 16731, 17985, 18421, 18590, 21255, 21582, 25506, 27885, 31174, 33462, 35970, 36842, 42510, 46761, 53955, 55263, 55770, 63765, 77935, 83655, 92105, 93522, 107910, 110526, 127530, 140283, 155870, 165789, 167310, 184210, 202631, 233805, 276315, 280566, 331578, 405262, 467610, 552630, 607893, 701415, 828945, 1013155, 1215786, 1402830, 1657890, 1823679, 2026310, 3039465, 3647358, 6078930, 9118395, 18236790]

約数ペア:

[(1, 18236790), (2, 9118395), (3, 6078930), (5, 3647358), (6, 3039465), (9, 2026310), (10, 1823679), (11, 1657890), (13, 1402830), (15, 1215786), (18, 1013155), (22, 828945), (26, 701415), (30, 607893), (33, 552630), (39, 467610), (45, 405262), (55, 331578), (65, 280566), (66, 276315), (78, 233805), (90, 202631), (99, 184210), (109, 167310), (110, 165789), (117, 155870), (130, 140283), (143, 127530), (165, 110526), (169, 107910), (195, 93522), (198, 92105), (218, 83655), (234, 77935), (286, 63765), (327, 55770), (330, 55263), (338, 53955), (390, 46761), (429, 42510), (495, 36842), (507, 35970), (545, 33462), (585, 31174), (654, 27885), (715, 25506), (845, 21582), (858, 21255), (981, 18590), (990, 18421), (1014, 17985), (1090, 16731), (1170, 15587), (1199, 15210), (1287, 14170), (1417, 12870), (1430, 12753), (1521, 11990), (1635, 11154), (1690, 10791), (1859, 9810), (1962, 9295), (2145, 8502), (2398, 7605), (2535, 7194), (2574, 7085), (2834, 6435), (3042, 5995), (3270, 5577), (3597, 5070), (3718, 4905), (4251, 4290)]