18925860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5171}}^1$

素因数の和:5244

約数の個数: 48

約数和(自身を含む): 53871552

約数和(自身を除く): 34945692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5171, 10342, 15513, 20684, 25855, 31026, 51710, 62052, 77565, 103420, 155130, 310260, 315431, 630862, 946293, 1261724, 1577155, 1892586, 3154310, 3785172, 4731465, 6308620, 9462930, 18925860]

約数ペア:

[(1, 18925860), (2, 9462930), (3, 6308620), (4, 4731465), (5, 3785172), (6, 3154310), (10, 1892586), (12, 1577155), (15, 1261724), (20, 946293), (30, 630862), (60, 315431), (61, 310260), (122, 155130), (183, 103420), (244, 77565), (305, 62052), (366, 51710), (610, 31026), (732, 25855), (915, 20684), (1220, 15513), (1830, 10342), (3660, 5171)]