19855320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9733}}^1$

素因数の和:9764

約数の個数: 64

約数和(自身を含む): 63076320

約数和(自身を除く): 43221000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9733, 19466, 29199, 38932, 48665, 58398, 77864, 97330, 116796, 145995, 165461, 194660, 233592, 291990, 330922, 389320, 496383, 583980, 661844, 827305, 992766, 1167960, 1323688, 1654610, 1985532, 2481915, 3309220, 3971064, 4963830, 6618440, 9927660, 19855320]

約数ペア:

[(1, 19855320), (2, 9927660), (3, 6618440), (4, 4963830), (5, 3971064), (6, 3309220), (8, 2481915), (10, 1985532), (12, 1654610), (15, 1323688), (17, 1167960), (20, 992766), (24, 827305), (30, 661844), (34, 583980), (40, 496383), (51, 389320), (60, 330922), (68, 291990), (85, 233592), (102, 194660), (120, 165461), (136, 145995), (170, 116796), (204, 97330), (255, 77864), (340, 58398), (408, 48665), (510, 38932), (680, 29199), (1020, 19466), (2040, 9733)]