19028988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1657}}^1$

素因数の和:1707

約数の個数: 72

約数和(自身を含む): 54316080

約数和(自身を除く): 35287092

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1657, 1914, 2871, 3314, 3828, 4971, 5742, 6628, 9942, 11484, 14913, 18227, 19884, 29826, 36454, 48053, 54681, 59652, 72908, 96106, 109362, 144159, 164043, 192212, 218724, 288318, 328086, 432477, 528583, 576636, 656172, 864954, 1057166, 1585749, 1729908, 2114332, 3171498, 4757247, 6342996, 9514494, 19028988]

約数ペア:

[(1, 19028988), (2, 9514494), (3, 6342996), (4, 4757247), (6, 3171498), (9, 2114332), (11, 1729908), (12, 1585749), (18, 1057166), (22, 864954), (29, 656172), (33, 576636), (36, 528583), (44, 432477), (58, 328086), (66, 288318), (87, 218724), (99, 192212), (116, 164043), (132, 144159), (174, 109362), (198, 96106), (261, 72908), (319, 59652), (348, 54681), (396, 48053), (522, 36454), (638, 29826), (957, 19884), (1044, 18227), (1276, 14913), (1657, 11484), (1914, 9942), (2871, 6628), (3314, 5742), (3828, 4971)]