19531395

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19175805

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 93, 117, 135, 155, 195, 279, 351, 359, 403, 465, 585, 837, 1077, 1209, 1395, 1755, 1795, 2015, 3231, 3627, 4185, 4667, 5385, 6045, 9693, 10881, 11129, 14001, 16155, 18135, 23335, 33387, 42003, 48465, 54405, 55645, 70005, 100161, 126009, 144677, 166935, 210015, 300483, 434031, 500805, 630045, 723385, 1302093, 1502415, 2170155, 3906279, 6510465, 19531395]

約数ペア:

[(1, 19531395), (3, 6510465), (5, 3906279), (9, 2170155), (13, 1502415), (15, 1302093), (27, 723385), (31, 630045), (39, 500805), (45, 434031), (65, 300483), (93, 210015), (117, 166935), (135, 144677), (155, 126009), (195, 100161), (279, 70005), (351, 55645), (359, 54405), (403, 48465), (465, 42003), (585, 33387), (837, 23335), (1077, 18135), (1209, 16155), (1395, 14001), (1755, 11129), (1795, 10881), (2015, 9693), (3231, 6045), (3627, 5385), (4185, 4667)]