18868950

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{1553}}^1$

素因数の和:1580

約数の個数: 72

約数和(自身を含む): 52606008

約数和(自身を除く): 33737058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 675, 810, 1215, 1350, 1553, 2025, 2430, 3106, 4050, 4659, 6075, 7765, 9318, 12150, 13977, 15530, 23295, 27954, 38825, 41931, 46590, 69885, 77650, 83862, 116475, 125793, 139770, 209655, 232950, 251586, 349425, 377379, 419310, 628965, 698850, 754758, 1048275, 1257930, 1886895, 2096550, 3144825, 3773790, 6289650, 9434475, 18868950]

約数ペア:

[(1, 18868950), (2, 9434475), (3, 6289650), (5, 3773790), (6, 3144825), (9, 2096550), (10, 1886895), (15, 1257930), (18, 1048275), (25, 754758), (27, 698850), (30, 628965), (45, 419310), (50, 377379), (54, 349425), (75, 251586), (81, 232950), (90, 209655), (135, 139770), (150, 125793), (162, 116475), (225, 83862), (243, 77650), (270, 69885), (405, 46590), (450, 41931), (486, 38825), (675, 27954), (810, 23295), (1215, 15530), (1350, 13977), (1553, 12150), (2025, 9318), (2430, 7765), (3106, 6075), (4050, 4659)]