18808725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 33997824

約数和(自身を除く): 15189099

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 101, 191, 195, 303, 325, 505, 573, 955, 975, 1313, 1515, 2483, 2525, 2865, 3939, 4775, 6565, 7449, 7575, 12415, 14325, 19291, 19695, 32825, 37245, 57873, 62075, 96455, 98475, 186225, 250783, 289365, 482275, 752349, 1253915, 1446825, 3761745, 6269575, 18808725]

約数ペア:

[(1, 18808725), (3, 6269575), (5, 3761745), (13, 1446825), (15, 1253915), (25, 752349), (39, 482275), (65, 289365), (75, 250783), (101, 186225), (191, 98475), (195, 96455), (303, 62075), (325, 57873), (505, 37245), (573, 32825), (955, 19695), (975, 19291), (1313, 14325), (1515, 12415), (2483, 7575), (2525, 7449), (2865, 6565), (3939, 4775)]