18531324

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 54000128

約数和(自身を除く): 35468804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 151, 252, 302, 453, 487, 604, 906, 974, 1057, 1359, 1461, 1812, 1948, 2114, 2718, 2922, 3171, 3409, 4228, 4383, 5436, 5844, 6342, 6818, 8766, 9513, 10227, 12684, 13636, 17532, 19026, 20454, 30681, 38052, 40908, 61362, 73537, 122724, 147074, 220611, 294148, 441222, 514759, 661833, 882444, 1029518, 1323666, 1544277, 2059036, 2647332, 3088554, 4632831, 6177108, 9265662, 18531324]

約数ペア:

[(1, 18531324), (2, 9265662), (3, 6177108), (4, 4632831), (6, 3088554), (7, 2647332), (9, 2059036), (12, 1544277), (14, 1323666), (18, 1029518), (21, 882444), (28, 661833), (36, 514759), (42, 441222), (63, 294148), (84, 220611), (126, 147074), (151, 122724), (252, 73537), (302, 61362), (453, 40908), (487, 38052), (604, 30681), (906, 20454), (974, 19026), (1057, 17532), (1359, 13636), (1461, 12684), (1812, 10227), (1948, 9513), (2114, 8766), (2718, 6818), (2922, 6342), (3171, 5844), (3409, 5436), (4228, 4383)]