18219844630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1\times {\mathrm{1663}}^1$

素因数の和:2941

約数の個数: 64

約数和(自身を含む): 35867639808

約数和(自身を除く): 17647795178

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1187, 1663, 1846, 2374, 3326, 4615, 5935, 8315, 9230, 11870, 15431, 16630, 21619, 30862, 43238, 77155, 84277, 108095, 118073, 154310, 168554, 216190, 236146, 421385, 590365, 842770, 1095601, 1180730, 1534949, 1973981, 2191202, 3069898, 3947962, 5478005, 7674745, 9869905, 10956010, 15349490, 19739810, 25661753, 51323506, 128308765, 140152651, 256617530, 280305302, 700763255, 1401526510, 1821984463, 3643968926, 9109922315, 18219844630]

約数ペア:

[(1, 18219844630), (2, 9109922315), (5, 3643968926), (10, 1821984463), (13, 1401526510), (26, 700763255), (65, 280305302), (71, 256617530), (130, 140152651), (142, 128308765), (355, 51323506), (710, 25661753), (923, 19739810), (1187, 15349490), (1663, 10956010), (1846, 9869905), (2374, 7674745), (3326, 5478005), (4615, 3947962), (5935, 3069898), (8315, 2191202), (9230, 1973981), (11870, 1534949), (15431, 1180730), (16630, 1095601), (21619, 842770), (30862, 590365), (43238, 421385), (77155, 236146), (84277, 216190), (108095, 168554), (118073, 154310)]