18520060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 46287360

約数和(自身を除く): 27767300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 163, 190, 230, 247, 260, 299, 326, 380, 437, 460, 494, 598, 652, 815, 874, 988, 1196, 1235, 1495, 1630, 1748, 2119, 2185, 2470, 2990, 3097, 3260, 3749, 4238, 4370, 4940, 5681, 5980, 6194, 7498, 8476, 8740, 10595, 11362, 12388, 14996, 15485, 18745, 21190, 22724, 28405, 30970, 37490, 40261, 42380, 48737, 56810, 61940, 71231, 74980, 80522, 97474, 113620, 142462, 161044, 194948, 201305, 243685, 284924, 356155, 402610, 487370, 712310, 805220, 926003, 974740, 1424620, 1852006, 3704012, 4630015, 9260030, 18520060]

約数ペア:

[(1, 18520060), (2, 9260030), (4, 4630015), (5, 3704012), (10, 1852006), (13, 1424620), (19, 974740), (20, 926003), (23, 805220), (26, 712310), (38, 487370), (46, 402610), (52, 356155), (65, 284924), (76, 243685), (92, 201305), (95, 194948), (115, 161044), (130, 142462), (163, 113620), (190, 97474), (230, 80522), (247, 74980), (260, 71231), (299, 61940), (326, 56810), (380, 48737), (437, 42380), (460, 40261), (494, 37490), (598, 30970), (652, 28405), (815, 22724), (874, 21190), (988, 18745), (1196, 15485), (1235, 14996), (1495, 12388), (1630, 11362), (1748, 10595), (2119, 8740), (2185, 8476), (2470, 7498), (2990, 6194), (3097, 5980), (3260, 5681), (3749, 4940), (4238, 4370)]