19572129

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 11877471

約数列:

[1, 3, 9, 29, 31, 41, 59, 87, 93, 123, 177, 261, 279, 369, 531, 899, 1189, 1271, 1711, 1829, 2419, 2697, 3567, 3813, 5133, 5487, 7257, 8091, 10701, 11439, 15399, 16461, 21771, 36859, 53041, 70151, 74989, 110577, 159123, 210453, 224967, 331731, 477369, 631359, 674901, 2174681, 6524043, 19572129]

約数ペア:

[(1, 19572129), (3, 6524043), (9, 2174681), (29, 674901), (31, 631359), (41, 477369), (59, 331731), (87, 224967), (93, 210453), (123, 159123), (177, 110577), (261, 74989), (279, 70151), (369, 53041), (531, 36859), (899, 21771), (1189, 16461), (1271, 15399), (1711, 11439), (1829, 10701), (2419, 8091), (2697, 7257), (3567, 5487), (3813, 5133)]