18002036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 35496384

約数和(自身を除く): 17494348

約数列:

[1, 2, 4, 13, 26, 43, 52, 83, 86, 97, 166, 172, 194, 332, 388, 559, 1079, 1118, 1261, 2158, 2236, 2522, 3569, 4171, 4316, 5044, 7138, 8051, 8342, 14276, 16102, 16684, 32204, 46397, 54223, 92794, 104663, 108446, 185588, 209326, 216892, 346193, 418652, 692386, 1384772, 4500509, 9001018, 18002036]

約数ペア:

[(1, 18002036), (2, 9001018), (4, 4500509), (13, 1384772), (26, 692386), (43, 418652), (52, 346193), (83, 216892), (86, 209326), (97, 185588), (166, 108446), (172, 104663), (194, 92794), (332, 54223), (388, 46397), (559, 32204), (1079, 16684), (1118, 16102), (1261, 14276), (2158, 8342), (2236, 8051), (2522, 7138), (3569, 5044), (4171, 4316)]