19420380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15413}}^1$

素因数の和:15435

約数の個数: 72

約数和(自身を含む): 67328352

約数和(自身を除く): 47907972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15413, 30826, 46239, 61652, 77065, 92478, 107891, 138717, 154130, 184956, 215782, 231195, 277434, 308260, 323673, 431564, 462390, 539455, 554868, 647346, 693585, 924780, 971019, 1078910, 1294692, 1387170, 1618365, 1942038, 2157820, 2774340, 3236730, 3884076, 4855095, 6473460, 9710190, 19420380]

約数ペア:

[(1, 19420380), (2, 9710190), (3, 6473460), (4, 4855095), (5, 3884076), (6, 3236730), (7, 2774340), (9, 2157820), (10, 1942038), (12, 1618365), (14, 1387170), (15, 1294692), (18, 1078910), (20, 971019), (21, 924780), (28, 693585), (30, 647346), (35, 554868), (36, 539455), (42, 462390), (45, 431564), (60, 323673), (63, 308260), (70, 277434), (84, 231195), (90, 215782), (105, 184956), (126, 154130), (140, 138717), (180, 107891), (210, 92478), (252, 77065), (315, 61652), (420, 46239), (630, 30826), (1260, 15413)]