19397625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 36481536

約数和(自身を除く): 17083911

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 125, 173, 195, 299, 325, 345, 375, 519, 575, 865, 897, 975, 1495, 1625, 1725, 2249, 2595, 2875, 3979, 4325, 4485, 4875, 6747, 7475, 8625, 11245, 11937, 12975, 19895, 21625, 22425, 33735, 37375, 51727, 56225, 59685, 64875, 99475, 112125, 155181, 168675, 258635, 281125, 298425, 497375, 775905, 843375, 1293175, 1492125, 3879525, 6465875, 19397625]

約数ペア:

[(1, 19397625), (3, 6465875), (5, 3879525), (13, 1492125), (15, 1293175), (23, 843375), (25, 775905), (39, 497375), (65, 298425), (69, 281125), (75, 258635), (115, 168675), (125, 155181), (173, 112125), (195, 99475), (299, 64875), (325, 59685), (345, 56225), (375, 51727), (519, 37375), (575, 33735), (865, 22425), (897, 21625), (975, 19895), (1495, 12975), (1625, 11937), (1725, 11245), (2249, 8625), (2595, 7475), (2875, 6747), (3979, 4875), (4325, 4485)]