18804901010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{6221}}^1$

素因数の和:6472

約数の個数: 96

約数和(自身を含む): 40856140800

約数和(自身を除く): 22051239790

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 199, 217, 245, 310, 398, 434, 490, 995, 1085, 1393, 1519, 1990, 2170, 2786, 3038, 6169, 6221, 6965, 7595, 9751, 12338, 12442, 13930, 15190, 19502, 30845, 31105, 43183, 43547, 48755, 61690, 62210, 86366, 87094, 97510, 192851, 215915, 217735, 302281, 304829, 385702, 431830, 435470, 604562, 609658, 964255, 1237979, 1349957, 1511405, 1524145, 1928510, 2475958, 2699914, 3022810, 3048290, 6189895, 6749785, 8665853, 9449699, 12379790, 13499570, 17331706, 18899398, 38377349, 43329265, 47248495, 60660971, 76754698, 86658530, 94496990, 121321942, 191886745, 268641443, 303304855, 383773490, 537282886, 606609710, 1343207215, 1880490101, 2686414430, 3760980202, 9402450505, 18804901010]

約数ペア:

[(1, 18804901010), (2, 9402450505), (5, 3760980202), (7, 2686414430), (10, 1880490101), (14, 1343207215), (31, 606609710), (35, 537282886), (49, 383773490), (62, 303304855), (70, 268641443), (98, 191886745), (155, 121321942), (199, 94496990), (217, 86658530), (245, 76754698), (310, 60660971), (398, 47248495), (434, 43329265), (490, 38377349), (995, 18899398), (1085, 17331706), (1393, 13499570), (1519, 12379790), (1990, 9449699), (2170, 8665853), (2786, 6749785), (3038, 6189895), (6169, 3048290), (6221, 3022810), (6965, 2699914), (7595, 2475958), (9751, 1928510), (12338, 1524145), (12442, 1511405), (13930, 1349957), (15190, 1237979), (19502, 964255), (30845, 609658), (31105, 604562), (43183, 435470), (43547, 431830), (48755, 385702), (61690, 304829), (62210, 302281), (86366, 217735), (87094, 215915), (97510, 192851)]