19070680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 28103720

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, 1091, 1748, 2182, 2185, 3496, 4364, 4370, 5455, 8728, 8740, 10910, 17480, 20729, 21820, 25093, 41458, 43640, 50186, 82916, 100372, 103645, 125465, 165832, 200744, 207290, 250930, 414580, 476767, 501860, 829160, 953534, 1003720, 1907068, 2383835, 3814136, 4767670, 9535340, 19070680]

約数ペア:

[(1, 19070680), (2, 9535340), (4, 4767670), (5, 3814136), (8, 2383835), (10, 1907068), (19, 1003720), (20, 953534), (23, 829160), (38, 501860), (40, 476767), (46, 414580), (76, 250930), (92, 207290), (95, 200744), (115, 165832), (152, 125465), (184, 103645), (190, 100372), (230, 82916), (380, 50186), (437, 43640), (460, 41458), (760, 25093), (874, 21820), (920, 20729), (1091, 17480), (1748, 10910), (2182, 8740), (2185, 8728), (3496, 5455), (4364, 4370)]