18380430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{617}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 48011184

約数和(自身を除く): 29630754

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 617, 662, 993, 1234, 1655, 1851, 1986, 2979, 3085, 3310, 3702, 4965, 5553, 5958, 6170, 9255, 9930, 11106, 14895, 18510, 27765, 29790, 55530, 204227, 408454, 612681, 1021135, 1225362, 1838043, 2042270, 3063405, 3676086, 6126810, 9190215, 18380430]

約数ペア:

[(1, 18380430), (2, 9190215), (3, 6126810), (5, 3676086), (6, 3063405), (9, 2042270), (10, 1838043), (15, 1225362), (18, 1021135), (30, 612681), (45, 408454), (90, 204227), (331, 55530), (617, 29790), (662, 27765), (993, 18510), (1234, 14895), (1655, 11106), (1851, 9930), (1986, 9255), (2979, 6170), (3085, 5958), (3310, 5553), (3702, 4965)]