19847887956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{61553}}^1$

素因数の和:61642

約数の個数: 108

約数和(自身を含む): 55353173148

約数和(自身を除く): 35505285192

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 169, 212, 234, 318, 338, 468, 477, 507, 636, 676, 689, 954, 1014, 1378, 1521, 1908, 2028, 2067, 2756, 3042, 4134, 6084, 6201, 8268, 8957, 12402, 17914, 24804, 26871, 35828, 53742, 61553, 80613, 107484, 123106, 161226, 184659, 246212, 322452, 369318, 553977, 738636, 800189, 1107954, 1600378, 2215908, 2400567, 3200756, 3262309, 4801134, 6524618, 7201701, 9602268, 9786927, 10402457, 13049236, 14403402, 19573854, 20804914, 28806804, 29360781, 31207371, 39147708, 41609828, 42410017, 58721562, 62414742, 84820034, 93622113, 117443124, 124829484, 127230051, 169640068, 187244226, 254460102, 374488452, 381690153, 508920204, 551330221, 763380306, 1102660442, 1526760612, 1653990663, 2205320884, 3307981326, 4961971989, 6615962652, 9923943978, 19847887956]

約数ペア:

[(1, 19847887956), (2, 9923943978), (3, 6615962652), (4, 4961971989), (6, 3307981326), (9, 2205320884), (12, 1653990663), (13, 1526760612), (18, 1102660442), (26, 763380306), (36, 551330221), (39, 508920204), (52, 381690153), (53, 374488452), (78, 254460102), (106, 187244226), (117, 169640068), (156, 127230051), (159, 124829484), (169, 117443124), (212, 93622113), (234, 84820034), (318, 62414742), (338, 58721562), (468, 42410017), (477, 41609828), (507, 39147708), (636, 31207371), (676, 29360781), (689, 28806804), (954, 20804914), (1014, 19573854), (1378, 14403402), (1521, 13049236), (1908, 10402457), (2028, 9786927), (2067, 9602268), (2756, 7201701), (3042, 6524618), (4134, 4801134), (6084, 3262309), (6201, 3200756), (8268, 2400567), (8957, 2215908), (12402, 1600378), (17914, 1107954), (24804, 800189), (26871, 738636), (35828, 553977), (53742, 369318), (61553, 322452), (80613, 246212), (107484, 184659), (123106, 161226)]