19398459160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{28309}}^1$

素因数の和:28820

約数の個数: 64

約数和(自身を含む): 44924572800

約数和(自身を除く): 25526113640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 463, 740, 926, 1480, 1852, 2315, 3704, 4630, 9260, 17131, 18520, 28309, 34262, 56618, 68524, 85655, 113236, 137048, 141545, 171310, 226472, 283090, 342620, 566180, 685240, 1047433, 1132360, 2094866, 4189732, 5237165, 8379464, 10474330, 13107067, 20948660, 26214134, 41897320, 52428268, 65535335, 104856536, 131070670, 262141340, 484961479, 524282680, 969922958, 1939845916, 2424807395, 3879691832, 4849614790, 9699229580, 19398459160]

約数ペア:

[(1, 19398459160), (2, 9699229580), (4, 4849614790), (5, 3879691832), (8, 2424807395), (10, 1939845916), (20, 969922958), (37, 524282680), (40, 484961479), (74, 262141340), (148, 131070670), (185, 104856536), (296, 65535335), (370, 52428268), (463, 41897320), (740, 26214134), (926, 20948660), (1480, 13107067), (1852, 10474330), (2315, 8379464), (3704, 5237165), (4630, 4189732), (9260, 2094866), (17131, 1132360), (18520, 1047433), (28309, 685240), (34262, 566180), (56618, 342620), (68524, 283090), (85655, 226472), (113236, 171310), (137048, 141545)]