2019997692

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{55721}}^1$

素因数の和:55803

約数の個数: 72

約数和(自身を含む): 5476358160

約数和(自身を除く): 3456360468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 53, 57, 76, 106, 114, 159, 171, 212, 228, 318, 342, 477, 636, 684, 954, 1007, 1908, 2014, 3021, 4028, 6042, 9063, 12084, 18126, 36252, 55721, 111442, 167163, 222884, 334326, 501489, 668652, 1002978, 1058699, 2005956, 2117398, 2953213, 3176097, 4234796, 5906426, 6352194, 8859639, 9528291, 11812852, 12704388, 17719278, 19056582, 26578917, 35438556, 38113164, 53157834, 56111047, 106315668, 112222094, 168333141, 224444188, 336666282, 504999423, 673332564, 1009998846, 2019997692]

約数ペア:

[(1, 2019997692), (2, 1009998846), (3, 673332564), (4, 504999423), (6, 336666282), (9, 224444188), (12, 168333141), (18, 112222094), (19, 106315668), (36, 56111047), (38, 53157834), (53, 38113164), (57, 35438556), (76, 26578917), (106, 19056582), (114, 17719278), (159, 12704388), (171, 11812852), (212, 9528291), (228, 8859639), (318, 6352194), (342, 5906426), (477, 4234796), (636, 3176097), (684, 2953213), (954, 2117398), (1007, 2005956), (1908, 1058699), (2014, 1002978), (3021, 668652), (4028, 501489), (6042, 334326), (9063, 222884), (12084, 167163), (18126, 111442), (36252, 55721)]