18753760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 29630240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 199, 248, 304, 310, 380, 398, 496, 589, 608, 620, 760, 796, 992, 995, 1178, 1240, 1520, 1592, 1990, 2356, 2480, 2945, 3040, 3184, 3781, 3980, 4712, 4960, 5890, 6169, 6368, 7562, 7960, 9424, 11780, 12338, 15124, 15920, 18848, 18905, 23560, 24676, 30248, 30845, 31840, 37810, 47120, 49352, 60496, 61690, 75620, 94240, 98704, 117211, 120992, 123380, 151240, 197408, 234422, 246760, 302480, 468844, 493520, 586055, 604960, 937688, 987040, 1172110, 1875376, 2344220, 3750752, 4688440, 9376880, 18753760]

約数ペア:

[(1, 18753760), (2, 9376880), (4, 4688440), (5, 3750752), (8, 2344220), (10, 1875376), (16, 1172110), (19, 987040), (20, 937688), (31, 604960), (32, 586055), (38, 493520), (40, 468844), (62, 302480), (76, 246760), (80, 234422), (95, 197408), (124, 151240), (152, 123380), (155, 120992), (160, 117211), (190, 98704), (199, 94240), (248, 75620), (304, 61690), (310, 60496), (380, 49352), (398, 47120), (496, 37810), (589, 31840), (608, 30845), (620, 30248), (760, 24676), (796, 23560), (992, 18905), (995, 18848), (1178, 15920), (1240, 15124), (1520, 12338), (1592, 11780), (1990, 9424), (2356, 7960), (2480, 7562), (2945, 6368), (3040, 6169), (3184, 5890), (3781, 4960), (3980, 4712)]