18996598660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{17123}}^1$

素因数の和:17413

約数の個数: 96

約数和(自身を含む): 45672584832

約数和(自身を除く): 26675986172

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 251, 260, 340, 442, 502, 884, 1004, 1105, 1255, 2210, 2510, 3263, 4267, 4420, 5020, 6526, 8534, 13052, 16315, 17068, 17123, 21335, 32630, 34246, 42670, 55471, 65260, 68492, 85340, 85615, 110942, 171230, 221884, 222599, 277355, 291091, 342460, 445198, 554710, 582182, 890396, 1109420, 1112995, 1164364, 1455455, 2225990, 2910910, 3784183, 4297873, 4451980, 5821820, 7568366, 8595746, 15136732, 17191492, 18920915, 21489365, 37841830, 42978730, 55872349, 73063841, 75683660, 85957460, 111744698, 146127682, 223489396, 279361745, 292255364, 365319205, 558723490, 730638410, 949829933, 1117446980, 1461276820, 1899659866, 3799319732, 4749149665, 9498299330, 18996598660]

約数ペア:

[(1, 18996598660), (2, 9498299330), (4, 4749149665), (5, 3799319732), (10, 1899659866), (13, 1461276820), (17, 1117446980), (20, 949829933), (26, 730638410), (34, 558723490), (52, 365319205), (65, 292255364), (68, 279361745), (85, 223489396), (130, 146127682), (170, 111744698), (221, 85957460), (251, 75683660), (260, 73063841), (340, 55872349), (442, 42978730), (502, 37841830), (884, 21489365), (1004, 18920915), (1105, 17191492), (1255, 15136732), (2210, 8595746), (2510, 7568366), (3263, 5821820), (4267, 4451980), (4420, 4297873), (5020, 3784183), (6526, 2910910), (8534, 2225990), (13052, 1455455), (16315, 1164364), (17068, 1112995), (17123, 1109420), (21335, 890396), (32630, 582182), (34246, 554710), (42670, 445198), (55471, 342460), (65260, 291091), (68492, 277355), (85340, 222599), (85615, 221884), (110942, 171230)]