19893960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:847

約数の個数: 96

約数和(自身を含む): 65627640

約数和(自身を除く): 45733680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 73, 90, 120, 146, 180, 219, 292, 360, 365, 438, 584, 657, 730, 757, 876, 1095, 1314, 1460, 1514, 1752, 2190, 2271, 2628, 2920, 3028, 3285, 3785, 4380, 4542, 5256, 6056, 6570, 6813, 7570, 8760, 9084, 11355, 13140, 13626, 15140, 18168, 22710, 26280, 27252, 30280, 34065, 45420, 54504, 55261, 68130, 90840, 110522, 136260, 165783, 221044, 272520, 276305, 331566, 442088, 497349, 552610, 663132, 828915, 994698, 1105220, 1326264, 1657830, 1989396, 2210440, 2486745, 3315660, 3978792, 4973490, 6631320, 9946980, 19893960]

約数ペア:

[(1, 19893960), (2, 9946980), (3, 6631320), (4, 4973490), (5, 3978792), (6, 3315660), (8, 2486745), (9, 2210440), (10, 1989396), (12, 1657830), (15, 1326264), (18, 1105220), (20, 994698), (24, 828915), (30, 663132), (36, 552610), (40, 497349), (45, 442088), (60, 331566), (72, 276305), (73, 272520), (90, 221044), (120, 165783), (146, 136260), (180, 110522), (219, 90840), (292, 68130), (360, 55261), (365, 54504), (438, 45420), (584, 34065), (657, 30280), (730, 27252), (757, 26280), (876, 22710), (1095, 18168), (1314, 15140), (1460, 13626), (1514, 13140), (1752, 11355), (2190, 9084), (2271, 8760), (2628, 7570), (2920, 6813), (3028, 6570), (3285, 6056), (3785, 5256), (4380, 4542)]