19007960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15329}}^1$

素因数の和:15371

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 25142440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15329, 30658, 61316, 76645, 122632, 153290, 306580, 475199, 613160, 950398, 1900796, 2375995, 3801592, 4751990, 9503980, 19007960]

約数ペア:

[(1, 19007960), (2, 9503980), (4, 4751990), (5, 3801592), (8, 2375995), (10, 1900796), (20, 950398), (31, 613160), (40, 475199), (62, 306580), (124, 153290), (155, 122632), (248, 76645), (310, 61316), (620, 30658), (1240, 15329)]