19453140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15439}}^1$

素因数の和:15461

約数の個数: 72

約数和(自身を含む): 67441920

約数和(自身を除く): 47988780

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, 15439, 30878, 46317, 61756, 77195, 92634, 108073, 138951, 154390, 185268, 216146, 231585, 277902, 308780, 324219, 432292, 463170, 540365, 555804, 648438, 694755, 926340, 972657, 1080730, 1296876, 1389510, 1621095, 1945314, 2161460, 2779020, 3242190, 3890628, 4863285, 6484380, 9726570, 19453140]

約数ペア:

[(1, 19453140), (2, 9726570), (3, 6484380), (4, 4863285), (5, 3890628), (6, 3242190), (7, 2779020), (9, 2161460), (10, 1945314), (12, 1621095), (14, 1389510), (15, 1296876), (18, 1080730), (20, 972657), (21, 926340), (28, 694755), (30, 648438), (35, 555804), (36, 540365), (42, 463170), (45, 432292), (60, 324219), (63, 308780), (70, 277902), (84, 231585), (90, 216146), (105, 185268), (126, 154390), (140, 138951), (180, 108073), (210, 92634), (252, 77195), (315, 61756), (420, 46317), (630, 30878), (1260, 15439)]