18711630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4243}}^1$

素因数の和:4270

約数の個数: 72

約数和(自身を含む): 56606472

約数和(自身を除く): 37894842

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4243, 4410, 8486, 12729, 21215, 25458, 29701, 38187, 42430, 59402, 63645, 76374, 89103, 127290, 148505, 178206, 190935, 207907, 267309, 297010, 381870, 415814, 445515, 534618, 623721, 891030, 1039535, 1247442, 1336545, 1871163, 2079070, 2673090, 3118605, 3742326, 6237210, 9355815, 18711630]

約数ペア:

[(1, 18711630), (2, 9355815), (3, 6237210), (5, 3742326), (6, 3118605), (7, 2673090), (9, 2079070), (10, 1871163), (14, 1336545), (15, 1247442), (18, 1039535), (21, 891030), (30, 623721), (35, 534618), (42, 445515), (45, 415814), (49, 381870), (63, 297010), (70, 267309), (90, 207907), (98, 190935), (105, 178206), (126, 148505), (147, 127290), (210, 89103), (245, 76374), (294, 63645), (315, 59402), (441, 42430), (490, 38187), (630, 29701), (735, 25458), (882, 21215), (1470, 12729), (2205, 8486), (4243, 4410)]