19428318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 53726400

約数和(自身を除く): 34298082

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 29, 39, 42, 58, 63, 78, 87, 91, 117, 126, 174, 182, 203, 234, 261, 273, 377, 406, 409, 522, 546, 609, 754, 818, 819, 1131, 1218, 1227, 1638, 1827, 2262, 2454, 2639, 2863, 3393, 3654, 3681, 5278, 5317, 5726, 6786, 7362, 7917, 8589, 10634, 11861, 15834, 15951, 17178, 23722, 23751, 25767, 31902, 35583, 37219, 47502, 47853, 51534, 71166, 74438, 83027, 95706, 106749, 111657, 154193, 166054, 213498, 223314, 249081, 308386, 334971, 462579, 498162, 669942, 747243, 925158, 1079351, 1387737, 1494486, 2158702, 2775474, 3238053, 6476106, 9714159, 19428318]

約数ペア:

[(1, 19428318), (2, 9714159), (3, 6476106), (6, 3238053), (7, 2775474), (9, 2158702), (13, 1494486), (14, 1387737), (18, 1079351), (21, 925158), (26, 747243), (29, 669942), (39, 498162), (42, 462579), (58, 334971), (63, 308386), (78, 249081), (87, 223314), (91, 213498), (117, 166054), (126, 154193), (174, 111657), (182, 106749), (203, 95706), (234, 83027), (261, 74438), (273, 71166), (377, 51534), (406, 47853), (409, 47502), (522, 37219), (546, 35583), (609, 31902), (754, 25767), (818, 23751), (819, 23722), (1131, 17178), (1218, 15951), (1227, 15834), (1638, 11861), (1827, 10634), (2262, 8589), (2454, 7917), (2639, 7362), (2863, 6786), (3393, 5726), (3654, 5317), (3681, 5278)]