2018692810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1\times {\mathrm{541}}^1$

素因数の和:1087

約数の個数: 64

約数和(自身を含む): 3933619200

約数和(自身を除く): 1914926390

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 479, 541, 779, 958, 1082, 1558, 2395, 2705, 3895, 4790, 5410, 7790, 9101, 10279, 18202, 19639, 20558, 22181, 39278, 44362, 45505, 51395, 91010, 98195, 102790, 110905, 196390, 221810, 259139, 373141, 421439, 518278, 746282, 842878, 1295695, 1865705, 2107195, 2591390, 3731410, 4214390, 4923641, 9847282, 10624699, 21249398, 24618205, 49236410, 53123495, 106246990, 201869281, 403738562, 1009346405, 2018692810]

約数ペア:

[(1, 2018692810), (2, 1009346405), (5, 403738562), (10, 201869281), (19, 106246990), (38, 53123495), (41, 49236410), (82, 24618205), (95, 21249398), (190, 10624699), (205, 9847282), (410, 4923641), (479, 4214390), (541, 3731410), (779, 2591390), (958, 2107195), (1082, 1865705), (1558, 1295695), (2395, 842878), (2705, 746282), (3895, 518278), (4790, 421439), (5410, 373141), (7790, 259139), (9101, 221810), (10279, 196390), (18202, 110905), (19639, 102790), (20558, 98195), (22181, 91010), (39278, 51395), (44362, 45505)]