19993116

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 55996416

約数和(自身を除く): 36003300

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 61, 66, 78, 122, 132, 143, 156, 183, 191, 244, 286, 366, 382, 429, 572, 573, 671, 732, 764, 793, 858, 1146, 1342, 1586, 1716, 2013, 2101, 2292, 2379, 2483, 2684, 3172, 4026, 4202, 4758, 4966, 6303, 7449, 8052, 8404, 8723, 9516, 9932, 11651, 12606, 14898, 17446, 23302, 25212, 26169, 27313, 29796, 34892, 34953, 46604, 52338, 54626, 69906, 81939, 104676, 109252, 128161, 139812, 151463, 163878, 256322, 302926, 327756, 384483, 454389, 512644, 605852, 768966, 908778, 1537932, 1666093, 1817556, 3332186, 4998279, 6664372, 9996558, 19993116]

約数ペア:

[(1, 19993116), (2, 9996558), (3, 6664372), (4, 4998279), (6, 3332186), (11, 1817556), (12, 1666093), (13, 1537932), (22, 908778), (26, 768966), (33, 605852), (39, 512644), (44, 454389), (52, 384483), (61, 327756), (66, 302926), (78, 256322), (122, 163878), (132, 151463), (143, 139812), (156, 128161), (183, 109252), (191, 104676), (244, 81939), (286, 69906), (366, 54626), (382, 52338), (429, 46604), (572, 34953), (573, 34892), (671, 29796), (732, 27313), (764, 26169), (793, 25212), (858, 23302), (1146, 17446), (1342, 14898), (1586, 12606), (1716, 11651), (2013, 9932), (2101, 9516), (2292, 8723), (2379, 8404), (2483, 8052), (2684, 7449), (3172, 6303), (4026, 4966), (4202, 4758)]