17964500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 43330560

約数和(自身を除く): 25366060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 61, 62, 76, 95, 100, 122, 124, 125, 155, 190, 244, 250, 305, 310, 380, 475, 500, 589, 610, 620, 775, 950, 1159, 1178, 1220, 1525, 1550, 1891, 1900, 2318, 2356, 2375, 2945, 3050, 3100, 3782, 3875, 4636, 4750, 5795, 5890, 6100, 7564, 7625, 7750, 9455, 9500, 11590, 11780, 14725, 15250, 15500, 18910, 23180, 28975, 29450, 30500, 35929, 37820, 47275, 57950, 58900, 71858, 73625, 94550, 115900, 143716, 144875, 147250, 179645, 189100, 236375, 289750, 294500, 359290, 472750, 579500, 718580, 898225, 945500, 1796450, 3592900, 4491125, 8982250, 17964500]

約数ペア:

[(1, 17964500), (2, 8982250), (4, 4491125), (5, 3592900), (10, 1796450), (19, 945500), (20, 898225), (25, 718580), (31, 579500), (38, 472750), (50, 359290), (61, 294500), (62, 289750), (76, 236375), (95, 189100), (100, 179645), (122, 147250), (124, 144875), (125, 143716), (155, 115900), (190, 94550), (244, 73625), (250, 71858), (305, 58900), (310, 57950), (380, 47275), (475, 37820), (500, 35929), (589, 30500), (610, 29450), (620, 28975), (775, 23180), (950, 18910), (1159, 15500), (1178, 15250), (1220, 14725), (1525, 11780), (1550, 11590), (1891, 9500), (1900, 9455), (2318, 7750), (2356, 7625), (2375, 7564), (2945, 6100), (3050, 5890), (3100, 5795), (3782, 4750), (3875, 4636)]