18666588

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 47792640

約数和(自身を除く): 29126052

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 139, 186, 228, 278, 361, 372, 417, 556, 589, 722, 834, 1083, 1178, 1444, 1668, 1767, 2166, 2356, 2641, 3534, 4309, 4332, 5282, 7068, 7923, 8618, 10564, 11191, 12927, 15846, 17236, 22382, 25854, 31692, 33573, 44764, 50179, 51708, 67146, 81871, 100358, 134292, 150537, 163742, 200716, 245613, 301074, 327484, 491226, 602148, 982452, 1555549, 3111098, 4666647, 6222196, 9333294, 18666588]

約数ペア:

[(1, 18666588), (2, 9333294), (3, 6222196), (4, 4666647), (6, 3111098), (12, 1555549), (19, 982452), (31, 602148), (38, 491226), (57, 327484), (62, 301074), (76, 245613), (93, 200716), (114, 163742), (124, 150537), (139, 134292), (186, 100358), (228, 81871), (278, 67146), (361, 51708), (372, 50179), (417, 44764), (556, 33573), (589, 31692), (722, 25854), (834, 22382), (1083, 17236), (1178, 15846), (1444, 12927), (1668, 11191), (1767, 10564), (2166, 8618), (2356, 7923), (2641, 7068), (3534, 5282), (4309, 4332)]