19280440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 28412360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1103, 1748, 2185, 2206, 3496, 4370, 4412, 5515, 8740, 8824, 11030, 17480, 20957, 22060, 25369, 41914, 44120, 50738, 83828, 101476, 104785, 126845, 167656, 202952, 209570, 253690, 419140, 482011, 507380, 838280, 964022, 1014760, 1928044, 2410055, 3856088, 4820110, 9640220, 19280440]

約数ペア:

[(1, 19280440), (2, 9640220), (4, 4820110), (5, 3856088), (8, 2410055), (10, 1928044), (19, 1014760), (20, 964022), (23, 838280), (38, 507380), (40, 482011), (46, 419140), (76, 253690), (92, 209570), (95, 202952), (115, 167656), (152, 126845), (184, 104785), (190, 101476), (230, 83828), (380, 50738), (437, 44120), (460, 41914), (760, 25369), (874, 22060), (920, 20957), (1103, 17480), (1748, 11030), (2185, 8824), (2206, 8740), (3496, 5515), (4370, 4412)]