19797570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16921}}^1$

素因数の和:16947

約数の個数: 48

約数和(自身を含む): 55436472

約数和(自身を除く): 35638902

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16921, 33842, 50763, 84605, 101526, 152289, 169210, 219973, 253815, 304578, 439946, 507630, 659919, 761445, 1099865, 1319838, 1522890, 1979757, 2199730, 3299595, 3959514, 6599190, 9898785, 19797570]

約数ペア:

[(1, 19797570), (2, 9898785), (3, 6599190), (5, 3959514), (6, 3299595), (9, 2199730), (10, 1979757), (13, 1522890), (15, 1319838), (18, 1099865), (26, 761445), (30, 659919), (39, 507630), (45, 439946), (65, 304578), (78, 253815), (90, 219973), (117, 169210), (130, 152289), (195, 101526), (234, 84605), (390, 50763), (585, 33842), (1170, 16921)]