18698160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{461}}^1$

素因数の和:503

約数の個数: 120

約数和(自身を含む): 62902224

約数和(自身を除く): 44204064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 461, 507, 520, 624, 676, 780, 845, 922, 1014, 1040, 1352, 1383, 1560, 1690, 1844, 2028, 2305, 2535, 2704, 2766, 3120, 3380, 3688, 4056, 4610, 5070, 5532, 5993, 6760, 6915, 7376, 8112, 9220, 10140, 11064, 11986, 13520, 13830, 17979, 18440, 20280, 22128, 23972, 27660, 29965, 35958, 36880, 40560, 47944, 55320, 59930, 71916, 77909, 89895, 95888, 110640, 119860, 143832, 155818, 179790, 233727, 239720, 287664, 311636, 359580, 389545, 467454, 479440, 623272, 719160, 779090, 934908, 1168635, 1246544, 1438320, 1558180, 1869816, 2337270, 3116360, 3739632, 4674540, 6232720, 9349080, 18698160]

約数ペア:

[(1, 18698160), (2, 9349080), (3, 6232720), (4, 4674540), (5, 3739632), (6, 3116360), (8, 2337270), (10, 1869816), (12, 1558180), (13, 1438320), (15, 1246544), (16, 1168635), (20, 934908), (24, 779090), (26, 719160), (30, 623272), (39, 479440), (40, 467454), (48, 389545), (52, 359580), (60, 311636), (65, 287664), (78, 239720), (80, 233727), (104, 179790), (120, 155818), (130, 143832), (156, 119860), (169, 110640), (195, 95888), (208, 89895), (240, 77909), (260, 71916), (312, 59930), (338, 55320), (390, 47944), (461, 40560), (507, 36880), (520, 35958), (624, 29965), (676, 27660), (780, 23972), (845, 22128), (922, 20280), (1014, 18440), (1040, 17979), (1352, 13830), (1383, 13520), (1560, 11986), (1690, 11064), (1844, 10140), (2028, 9220), (2305, 8112), (2535, 7376), (2704, 6915), (2766, 6760), (3120, 5993), (3380, 5532), (3688, 5070), (4056, 4610)]