20162748890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1\times {\mathrm{17959}}^1$

素因数の和:18315

約数の個数: 48

約数和(自身を含む): 38428940160

約数和(自身を除く): 18266191270

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 311, 361, 622, 722, 1555, 1805, 3110, 3610, 5909, 11818, 17959, 29545, 35918, 59090, 89795, 112271, 179590, 224542, 341221, 561355, 682442, 1122710, 1706105, 3412210, 5585249, 6483199, 11170498, 12966398, 27926245, 32415995, 55852490, 64831990, 106119731, 212239462, 530598655, 1061197310, 2016274889, 4032549778, 10081374445, 20162748890]

約数ペア:

[(1, 20162748890), (2, 10081374445), (5, 4032549778), (10, 2016274889), (19, 1061197310), (38, 530598655), (95, 212239462), (190, 106119731), (311, 64831990), (361, 55852490), (622, 32415995), (722, 27926245), (1555, 12966398), (1805, 11170498), (3110, 6483199), (3610, 5585249), (5909, 3412210), (11818, 1706105), (17959, 1122710), (29545, 682442), (35918, 561355), (59090, 341221), (89795, 224542), (112271, 179590)]