19267120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 49068288

約数和(自身を除く): 29801168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 457, 496, 527, 620, 680, 914, 1054, 1240, 1360, 1828, 2108, 2285, 2480, 2635, 3656, 4216, 4570, 5270, 7312, 7769, 8432, 9140, 10540, 14167, 15538, 18280, 21080, 28334, 31076, 36560, 38845, 42160, 56668, 62152, 70835, 77690, 113336, 124304, 141670, 155380, 226672, 240839, 283340, 310760, 481678, 566680, 621520, 963356, 1133360, 1204195, 1926712, 2408390, 3853424, 4816780, 9633560, 19267120]

約数ペア:

[(1, 19267120), (2, 9633560), (4, 4816780), (5, 3853424), (8, 2408390), (10, 1926712), (16, 1204195), (17, 1133360), (20, 963356), (31, 621520), (34, 566680), (40, 481678), (62, 310760), (68, 283340), (80, 240839), (85, 226672), (124, 155380), (136, 141670), (155, 124304), (170, 113336), (248, 77690), (272, 70835), (310, 62152), (340, 56668), (457, 42160), (496, 38845), (527, 36560), (620, 31076), (680, 28334), (914, 21080), (1054, 18280), (1240, 15538), (1360, 14167), (1828, 10540), (2108, 9140), (2285, 8432), (2480, 7769), (2635, 7312), (3656, 5270), (4216, 4570)]