17948920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 46908720

約数和(自身を除く): 28959800

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 113, 152, 190, 209, 220, 226, 361, 380, 418, 440, 452, 565, 722, 760, 836, 904, 1045, 1130, 1243, 1444, 1672, 1805, 2090, 2147, 2260, 2486, 2888, 3610, 3971, 4180, 4294, 4520, 4972, 6215, 7220, 7942, 8360, 8588, 9944, 10735, 12430, 14440, 15884, 17176, 19855, 21470, 23617, 24860, 31768, 39710, 40793, 42940, 47234, 49720, 79420, 81586, 85880, 94468, 118085, 158840, 163172, 188936, 203965, 236170, 326344, 407930, 448723, 472340, 815860, 897446, 944680, 1631720, 1794892, 2243615, 3589784, 4487230, 8974460, 17948920]

約数ペア:

[(1, 17948920), (2, 8974460), (4, 4487230), (5, 3589784), (8, 2243615), (10, 1794892), (11, 1631720), (19, 944680), (20, 897446), (22, 815860), (38, 472340), (40, 448723), (44, 407930), (55, 326344), (76, 236170), (88, 203965), (95, 188936), (110, 163172), (113, 158840), (152, 118085), (190, 94468), (209, 85880), (220, 81586), (226, 79420), (361, 49720), (380, 47234), (418, 42940), (440, 40793), (452, 39710), (565, 31768), (722, 24860), (760, 23617), (836, 21470), (904, 19855), (1045, 17176), (1130, 15884), (1243, 14440), (1444, 12430), (1672, 10735), (1805, 9944), (2090, 8588), (2147, 8360), (2260, 7942), (2486, 7220), (2888, 6215), (3610, 4972), (3971, 4520), (4180, 4294)]