19148085

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 36661248

約数和(自身を除く): 17513163

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 101, 165, 303, 383, 495, 505, 909, 1111, 1149, 1515, 1915, 3333, 3447, 4213, 4545, 5555, 5745, 9999, 12639, 16665, 17235, 21065, 37917, 38683, 49995, 63195, 116049, 189585, 193415, 348147, 425513, 580245, 1276539, 1740735, 2127565, 3829617, 6382695, 19148085]

約数ペア:

[(1, 19148085), (3, 6382695), (5, 3829617), (9, 2127565), (11, 1740735), (15, 1276539), (33, 580245), (45, 425513), (55, 348147), (99, 193415), (101, 189585), (165, 116049), (303, 63195), (383, 49995), (495, 38683), (505, 37917), (909, 21065), (1111, 17235), (1149, 16665), (1515, 12639), (1915, 9999), (3333, 5745), (3447, 5555), (4213, 4545)]