19387875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 35957376

約数和(自身を除く): 16569501

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 97, 123, 125, 195, 205, 291, 325, 375, 485, 533, 615, 975, 1025, 1261, 1455, 1599, 1625, 2425, 2665, 3075, 3783, 3977, 4875, 5125, 6305, 7275, 7995, 11931, 12125, 13325, 15375, 18915, 19885, 31525, 36375, 39975, 51701, 59655, 66625, 94575, 99425, 155103, 157625, 199875, 258505, 298275, 472875, 497125, 775515, 1292525, 1491375, 3877575, 6462625, 19387875]

約数ペア:

[(1, 19387875), (3, 6462625), (5, 3877575), (13, 1491375), (15, 1292525), (25, 775515), (39, 497125), (41, 472875), (65, 298275), (75, 258505), (97, 199875), (123, 157625), (125, 155103), (195, 99425), (205, 94575), (291, 66625), (325, 59655), (375, 51701), (485, 39975), (533, 36375), (615, 31525), (975, 19885), (1025, 18915), (1261, 15375), (1455, 13325), (1599, 12125), (1625, 11931), (2425, 7995), (2665, 7275), (3075, 6305), (3783, 5125), (3977, 4875)]