16621890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 41997312

約数和(自身を除く): 25375422

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 293, 305, 310, 366, 465, 586, 610, 879, 915, 930, 1465, 1758, 1830, 1891, 2930, 3782, 4395, 5673, 8790, 9083, 9455, 11346, 17873, 18166, 18910, 27249, 28365, 35746, 45415, 53619, 54498, 56730, 89365, 90830, 107238, 136245, 178730, 268095, 272490, 536190, 554063, 1108126, 1662189, 2770315, 3324378, 5540630, 8310945, 16621890]

約数ペア:

[(1, 16621890), (2, 8310945), (3, 5540630), (5, 3324378), (6, 2770315), (10, 1662189), (15, 1108126), (30, 554063), (31, 536190), (61, 272490), (62, 268095), (93, 178730), (122, 136245), (155, 107238), (183, 90830), (186, 89365), (293, 56730), (305, 54498), (310, 53619), (366, 45415), (465, 35746), (586, 28365), (610, 27249), (879, 18910), (915, 18166), (930, 17873), (1465, 11346), (1758, 9455), (1830, 9083), (1891, 8790), (2930, 5673), (3782, 4395)]