20181593898

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{13109}}^1$

素因数の和:13268

約数の個数: 72

約数和(自身を含む): 45693987300

約数和(自身を除く): 25512393402

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 89, 93, 178, 186, 267, 279, 534, 558, 801, 961, 1602, 1922, 2759, 2883, 5518, 5766, 8277, 8649, 13109, 16554, 17298, 24831, 26218, 39327, 49662, 78654, 85529, 117981, 171058, 235962, 256587, 406379, 513174, 769761, 812758, 1166701, 1219137, 1539522, 2333402, 2438274, 3500103, 3657411, 7000206, 7314822, 10500309, 12597749, 21000618, 25195498, 36167731, 37793247, 72335462, 75586494, 108503193, 113379741, 217006386, 226759482, 325509579, 651019158, 1121199661, 2242399322, 3363598983, 6727197966, 10090796949, 20181593898]

約数ペア:

[(1, 20181593898), (2, 10090796949), (3, 6727197966), (6, 3363598983), (9, 2242399322), (18, 1121199661), (31, 651019158), (62, 325509579), (89, 226759482), (93, 217006386), (178, 113379741), (186, 108503193), (267, 75586494), (279, 72335462), (534, 37793247), (558, 36167731), (801, 25195498), (961, 21000618), (1602, 12597749), (1922, 10500309), (2759, 7314822), (2883, 7000206), (5518, 3657411), (5766, 3500103), (8277, 2438274), (8649, 2333402), (13109, 1539522), (16554, 1219137), (17298, 1166701), (24831, 812758), (26218, 769761), (39327, 513174), (49662, 406379), (78654, 256587), (85529, 235962), (117981, 171058)]