19549770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1039

約数の個数: 64

約数和(自身を含む): 50699520

約数和(自身を除く): 31149750

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 230, 290, 345, 435, 667, 690, 870, 977, 1334, 1954, 2001, 2931, 3335, 4002, 4885, 5862, 6670, 9770, 10005, 14655, 20010, 22471, 28333, 29310, 44942, 56666, 67413, 84999, 112355, 134826, 141665, 169998, 224710, 283330, 337065, 424995, 651659, 674130, 849990, 1303318, 1954977, 3258295, 3909954, 6516590, 9774885, 19549770]

約数ペア:

[(1, 19549770), (2, 9774885), (3, 6516590), (5, 3909954), (6, 3258295), (10, 1954977), (15, 1303318), (23, 849990), (29, 674130), (30, 651659), (46, 424995), (58, 337065), (69, 283330), (87, 224710), (115, 169998), (138, 141665), (145, 134826), (174, 112355), (230, 84999), (290, 67413), (345, 56666), (435, 44942), (667, 29310), (690, 28333), (870, 22471), (977, 20010), (1334, 14655), (1954, 10005), (2001, 9770), (2931, 6670), (3335, 5862), (4002, 4885)]