18968820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 58084992

約数和(自身を除く): 39116172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 83, 130, 156, 166, 195, 249, 260, 293, 332, 390, 415, 498, 586, 780, 830, 879, 996, 1079, 1172, 1245, 1465, 1660, 1758, 2158, 2490, 2930, 3237, 3516, 3809, 4316, 4395, 4980, 5395, 5860, 6474, 7618, 8790, 10790, 11427, 12948, 15236, 16185, 17580, 19045, 21580, 22854, 24319, 32370, 38090, 45708, 48638, 57135, 64740, 72957, 76180, 97276, 114270, 121595, 145914, 228540, 243190, 291828, 316147, 364785, 486380, 632294, 729570, 948441, 1264588, 1459140, 1580735, 1896882, 3161470, 3793764, 4742205, 6322940, 9484410, 18968820]

約数ペア:

[(1, 18968820), (2, 9484410), (3, 6322940), (4, 4742205), (5, 3793764), (6, 3161470), (10, 1896882), (12, 1580735), (13, 1459140), (15, 1264588), (20, 948441), (26, 729570), (30, 632294), (39, 486380), (52, 364785), (60, 316147), (65, 291828), (78, 243190), (83, 228540), (130, 145914), (156, 121595), (166, 114270), (195, 97276), (249, 76180), (260, 72957), (293, 64740), (332, 57135), (390, 48638), (415, 45708), (498, 38090), (586, 32370), (780, 24319), (830, 22854), (879, 21580), (996, 19045), (1079, 17580), (1172, 16185), (1245, 15236), (1465, 12948), (1660, 11427), (1758, 10790), (2158, 8790), (2490, 7618), (2930, 6474), (3237, 5860), (3516, 5395), (3809, 4980), (4316, 4395)]