19119560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 47070720

約数和(自身を除く): 27951160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 907, 1054, 1240, 1814, 2108, 2635, 3628, 4216, 4535, 5270, 7256, 9070, 10540, 15419, 18140, 21080, 28117, 30838, 36280, 56234, 61676, 77095, 112468, 123352, 140585, 154190, 224936, 281170, 308380, 477989, 562340, 616760, 955978, 1124680, 1911956, 2389945, 3823912, 4779890, 9559780, 19119560]

約数ペア:

[(1, 19119560), (2, 9559780), (4, 4779890), (5, 3823912), (8, 2389945), (10, 1911956), (17, 1124680), (20, 955978), (31, 616760), (34, 562340), (40, 477989), (62, 308380), (68, 281170), (85, 224936), (124, 154190), (136, 140585), (155, 123352), (170, 112468), (248, 77095), (310, 61676), (340, 56234), (527, 36280), (620, 30838), (680, 28117), (907, 21080), (1054, 18140), (1240, 15419), (1814, 10540), (2108, 9070), (2635, 7256), (3628, 5270), (4216, 4535)]