19642428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 57508360

約数和(自身を除く): 37865932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 47, 52, 57, 76, 78, 94, 114, 117, 141, 156, 171, 188, 228, 234, 247, 282, 342, 423, 468, 494, 564, 611, 684, 741, 846, 893, 988, 1222, 1482, 1692, 1786, 1833, 2209, 2223, 2444, 2679, 2964, 3572, 3666, 4418, 4446, 5358, 5499, 6627, 7332, 8037, 8836, 8892, 10716, 10998, 11609, 13254, 16074, 19881, 21996, 23218, 26508, 28717, 32148, 34827, 39762, 41971, 46436, 57434, 69654, 79524, 83942, 86151, 104481, 114868, 125913, 139308, 167884, 172302, 208962, 251826, 258453, 344604, 377739, 417924, 503652, 516906, 545623, 755478, 1033812, 1091246, 1510956, 1636869, 2182492, 3273738, 4910607, 6547476, 9821214, 19642428]

約数ペア:

[(1, 19642428), (2, 9821214), (3, 6547476), (4, 4910607), (6, 3273738), (9, 2182492), (12, 1636869), (13, 1510956), (18, 1091246), (19, 1033812), (26, 755478), (36, 545623), (38, 516906), (39, 503652), (47, 417924), (52, 377739), (57, 344604), (76, 258453), (78, 251826), (94, 208962), (114, 172302), (117, 167884), (141, 139308), (156, 125913), (171, 114868), (188, 104481), (228, 86151), (234, 83942), (247, 79524), (282, 69654), (342, 57434), (423, 46436), (468, 41971), (494, 39762), (564, 34827), (611, 32148), (684, 28717), (741, 26508), (846, 23218), (893, 21996), (988, 19881), (1222, 16074), (1482, 13254), (1692, 11609), (1786, 10998), (1833, 10716), (2209, 8892), (2223, 8836), (2444, 8037), (2679, 7332), (2964, 6627), (3572, 5499), (3666, 5358), (4418, 4446)]