18612972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 54171936

約数和(自身を除く): 35558964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 233, 252, 317, 466, 634, 699, 932, 951, 1268, 1398, 1631, 1902, 2097, 2219, 2796, 2853, 3262, 3804, 4194, 4438, 4893, 5706, 6524, 6657, 8388, 8876, 9786, 11412, 13314, 14679, 19572, 19971, 26628, 29358, 39942, 58716, 73861, 79884, 147722, 221583, 295444, 443166, 517027, 664749, 886332, 1034054, 1329498, 1551081, 2068108, 2658996, 3102162, 4653243, 6204324, 9306486, 18612972]

約数ペア:

[(1, 18612972), (2, 9306486), (3, 6204324), (4, 4653243), (6, 3102162), (7, 2658996), (9, 2068108), (12, 1551081), (14, 1329498), (18, 1034054), (21, 886332), (28, 664749), (36, 517027), (42, 443166), (63, 295444), (84, 221583), (126, 147722), (233, 79884), (252, 73861), (317, 58716), (466, 39942), (634, 29358), (699, 26628), (932, 19971), (951, 19572), (1268, 14679), (1398, 13314), (1631, 11412), (1902, 9786), (2097, 8876), (2219, 8388), (2796, 6657), (2853, 6524), (3262, 5706), (3804, 4893), (4194, 4438)]