18441990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 55688256

約数和(自身を除く): 37246266

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 73, 90, 105, 126, 146, 210, 219, 315, 365, 401, 438, 511, 630, 657, 730, 802, 1022, 1095, 1203, 1314, 1533, 2005, 2190, 2406, 2555, 2807, 3066, 3285, 3609, 4010, 4599, 5110, 5614, 6015, 6570, 7218, 7665, 8421, 9198, 12030, 14035, 15330, 16842, 18045, 22995, 25263, 28070, 29273, 36090, 42105, 45990, 50526, 58546, 84210, 87819, 126315, 146365, 175638, 204911, 252630, 263457, 292730, 409822, 439095, 526914, 614733, 878190, 1024555, 1229466, 1317285, 1844199, 2049110, 2634570, 3073665, 3688398, 6147330, 9220995, 18441990]

約数ペア:

[(1, 18441990), (2, 9220995), (3, 6147330), (5, 3688398), (6, 3073665), (7, 2634570), (9, 2049110), (10, 1844199), (14, 1317285), (15, 1229466), (18, 1024555), (21, 878190), (30, 614733), (35, 526914), (42, 439095), (45, 409822), (63, 292730), (70, 263457), (73, 252630), (90, 204911), (105, 175638), (126, 146365), (146, 126315), (210, 87819), (219, 84210), (315, 58546), (365, 50526), (401, 45990), (438, 42105), (511, 36090), (630, 29273), (657, 28070), (730, 25263), (802, 22995), (1022, 18045), (1095, 16842), (1203, 15330), (1314, 14035), (1533, 12030), (2005, 9198), (2190, 8421), (2406, 7665), (2555, 7218), (2807, 6570), (3066, 6015), (3285, 5614), (3609, 5110), (4010, 4599)]