18994716

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 54001920

約数和(自身を除く): 35007204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 83, 108, 117, 156, 163, 166, 234, 249, 326, 332, 351, 468, 489, 498, 652, 702, 747, 978, 996, 1079, 1404, 1467, 1494, 1956, 2119, 2158, 2241, 2934, 2988, 3237, 4238, 4316, 4401, 4482, 5868, 6357, 6474, 8476, 8802, 8964, 9711, 12714, 12948, 13529, 17604, 19071, 19422, 25428, 27058, 29133, 38142, 38844, 40587, 54116, 57213, 58266, 76284, 81174, 114426, 116532, 121761, 162348, 175877, 228852, 243522, 351754, 365283, 487044, 527631, 703508, 730566, 1055262, 1461132, 1582893, 2110524, 3165786, 4748679, 6331572, 9497358, 18994716]

約数ペア:

[(1, 18994716), (2, 9497358), (3, 6331572), (4, 4748679), (6, 3165786), (9, 2110524), (12, 1582893), (13, 1461132), (18, 1055262), (26, 730566), (27, 703508), (36, 527631), (39, 487044), (52, 365283), (54, 351754), (78, 243522), (83, 228852), (108, 175877), (117, 162348), (156, 121761), (163, 116532), (166, 114426), (234, 81174), (249, 76284), (326, 58266), (332, 57213), (351, 54116), (468, 40587), (489, 38844), (498, 38142), (652, 29133), (702, 27058), (747, 25428), (978, 19422), (996, 19071), (1079, 17604), (1404, 13529), (1467, 12948), (1494, 12714), (1956, 9711), (2119, 8964), (2158, 8802), (2241, 8476), (2934, 6474), (2988, 6357), (3237, 5868), (4238, 4482), (4316, 4401)]