18575375

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 30191616

約数和(自身を除く): 11616241

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 71, 91, 115, 125, 161, 175, 299, 325, 355, 455, 497, 575, 805, 875, 923, 1495, 1625, 1633, 1775, 2093, 2275, 2485, 2875, 4025, 4615, 6461, 7475, 8165, 8875, 10465, 11375, 11431, 12425, 20125, 21229, 23075, 32305, 37375, 40825, 52325, 57155, 62125, 106145, 115375, 148603, 161525, 204125, 261625, 285775, 530725, 743015, 807625, 1428875, 2653625, 3715075, 18575375]

約数ペア:

[(1, 18575375), (5, 3715075), (7, 2653625), (13, 1428875), (23, 807625), (25, 743015), (35, 530725), (65, 285775), (71, 261625), (91, 204125), (115, 161525), (125, 148603), (161, 115375), (175, 106145), (299, 62125), (325, 57155), (355, 52325), (455, 40825), (497, 37375), (575, 32305), (805, 23075), (875, 21229), (923, 20125), (1495, 12425), (1625, 11431), (1633, 11375), (1775, 10465), (2093, 8875), (2275, 8165), (2485, 7475), (2875, 6461), (4025, 4615)]