19271790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 51865920

約数和(自身を除く): 32594130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 137, 270, 274, 411, 521, 685, 822, 1042, 1233, 1370, 1563, 2055, 2466, 2605, 3126, 3699, 4110, 4689, 5210, 6165, 7398, 7815, 9378, 12330, 14067, 15630, 18495, 23445, 28134, 36990, 46890, 70335, 71377, 140670, 142754, 214131, 356885, 428262, 642393, 713770, 1070655, 1284786, 1927179, 2141310, 3211965, 3854358, 6423930, 9635895, 19271790]

約数ペア:

[(1, 19271790), (2, 9635895), (3, 6423930), (5, 3854358), (6, 3211965), (9, 2141310), (10, 1927179), (15, 1284786), (18, 1070655), (27, 713770), (30, 642393), (45, 428262), (54, 356885), (90, 214131), (135, 142754), (137, 140670), (270, 71377), (274, 70335), (411, 46890), (521, 36990), (685, 28134), (822, 23445), (1042, 18495), (1233, 15630), (1370, 14067), (1563, 12330), (2055, 9378), (2466, 7815), (2605, 7398), (3126, 6165), (3699, 5210), (4110, 4689)]