18646990

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 34572096

約数和(自身を除く): 15925106

約数列:

[1, 2, 5, 10, 53, 106, 151, 233, 265, 302, 466, 530, 755, 1165, 1510, 2330, 8003, 12349, 16006, 24698, 35183, 40015, 61745, 70366, 80030, 123490, 175915, 351830, 1864699, 3729398, 9323495, 18646990]

約数ペア:

[(1, 18646990), (2, 9323495), (5, 3729398), (10, 1864699), (53, 351830), (106, 175915), (151, 123490), (233, 80030), (265, 70366), (302, 61745), (466, 40015), (530, 35183), (755, 24698), (1165, 16006), (1510, 12349), (2330, 8003)]