18954330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 28738470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 89, 93, 155, 178, 186, 229, 267, 310, 445, 458, 465, 534, 687, 890, 930, 1145, 1335, 1374, 2290, 2670, 2759, 3435, 5518, 6870, 7099, 8277, 13795, 14198, 16554, 20381, 21297, 27590, 35495, 40762, 41385, 42594, 61143, 70990, 82770, 101905, 106485, 122286, 203810, 212970, 305715, 611430, 631811, 1263622, 1895433, 3159055, 3790866, 6318110, 9477165, 18954330]

約数ペア:

[(1, 18954330), (2, 9477165), (3, 6318110), (5, 3790866), (6, 3159055), (10, 1895433), (15, 1263622), (30, 631811), (31, 611430), (62, 305715), (89, 212970), (93, 203810), (155, 122286), (178, 106485), (186, 101905), (229, 82770), (267, 70990), (310, 61143), (445, 42594), (458, 41385), (465, 40762), (534, 35495), (687, 27590), (890, 21297), (930, 20381), (1145, 16554), (1335, 14198), (1374, 13795), (2290, 8277), (2670, 7099), (2759, 6870), (3435, 5518)]