20181042

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 54172800

約数和(自身を除く): 33991758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 49, 54, 58, 63, 87, 98, 126, 147, 174, 189, 203, 261, 263, 294, 378, 406, 441, 522, 526, 609, 783, 789, 882, 1218, 1323, 1421, 1566, 1578, 1827, 1841, 2367, 2646, 2842, 3654, 3682, 4263, 4734, 5481, 5523, 7101, 7627, 8526, 10962, 11046, 12789, 12887, 14202, 15254, 16569, 22881, 25578, 25774, 33138, 38367, 38661, 45762, 49707, 53389, 68643, 76734, 77322, 99414, 106778, 115983, 137286, 160167, 205929, 231966, 320334, 347949, 373723, 411858, 480501, 695898, 747446, 961002, 1121169, 1441503, 2242338, 2883006, 3363507, 6727014, 10090521, 20181042]

約数ペア:

[(1, 20181042), (2, 10090521), (3, 6727014), (6, 3363507), (7, 2883006), (9, 2242338), (14, 1441503), (18, 1121169), (21, 961002), (27, 747446), (29, 695898), (42, 480501), (49, 411858), (54, 373723), (58, 347949), (63, 320334), (87, 231966), (98, 205929), (126, 160167), (147, 137286), (174, 115983), (189, 106778), (203, 99414), (261, 77322), (263, 76734), (294, 68643), (378, 53389), (406, 49707), (441, 45762), (522, 38661), (526, 38367), (609, 33138), (783, 25774), (789, 25578), (882, 22881), (1218, 16569), (1323, 15254), (1421, 14202), (1566, 12887), (1578, 12789), (1827, 11046), (1841, 10962), (2367, 8526), (2646, 7627), (2842, 7101), (3654, 5523), (3682, 5481), (4263, 4734)]