19384275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 34442240

約数和(自身を除く): 15057965

約数列:

[1, 3, 5, 15, 19, 25, 57, 61, 75, 95, 183, 223, 285, 305, 475, 669, 915, 1115, 1159, 1425, 1525, 3345, 3477, 4237, 4575, 5575, 5795, 12711, 13603, 16725, 17385, 21185, 28975, 40809, 63555, 68015, 86925, 105925, 204045, 258457, 317775, 340075, 775371, 1020225, 1292285, 3876855, 6461425, 19384275]

約数ペア:

[(1, 19384275), (3, 6461425), (5, 3876855), (15, 1292285), (19, 1020225), (25, 775371), (57, 340075), (61, 317775), (75, 258457), (95, 204045), (183, 105925), (223, 86925), (285, 68015), (305, 63555), (475, 40809), (669, 28975), (915, 21185), (1115, 17385), (1159, 16725), (1425, 13603), (1525, 12711), (3345, 5795), (3477, 5575), (4237, 4575)]