18994630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 16837178

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 863, 1726, 2201, 4315, 4402, 8630, 11005, 22010, 26753, 53506, 61273, 122546, 133765, 267530, 306365, 612730, 1899463, 3798926, 9497315, 18994630]

約数ペア:

[(1, 18994630), (2, 9497315), (5, 3798926), (10, 1899463), (31, 612730), (62, 306365), (71, 267530), (142, 133765), (155, 122546), (310, 61273), (355, 53506), (710, 26753), (863, 22010), (1726, 11005), (2201, 8630), (4315, 4402)]