19641972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 57057280

約数和(自身を除く): 37415308

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 57, 62, 76, 84, 93, 114, 124, 133, 186, 217, 228, 266, 372, 397, 399, 434, 532, 589, 651, 794, 798, 868, 1178, 1191, 1302, 1588, 1596, 1767, 2356, 2382, 2604, 2779, 3534, 4123, 4764, 5558, 7068, 7543, 8246, 8337, 11116, 12307, 12369, 15086, 16492, 16674, 22629, 24614, 24738, 30172, 33348, 36921, 45258, 49228, 49476, 52801, 73842, 86149, 90516, 105602, 147684, 158403, 172298, 211204, 233833, 258447, 316806, 344596, 467666, 516894, 633612, 701499, 935332, 1033788, 1402998, 1636831, 2805996, 3273662, 4910493, 6547324, 9820986, 19641972]

約数ペア:

[(1, 19641972), (2, 9820986), (3, 6547324), (4, 4910493), (6, 3273662), (7, 2805996), (12, 1636831), (14, 1402998), (19, 1033788), (21, 935332), (28, 701499), (31, 633612), (38, 516894), (42, 467666), (57, 344596), (62, 316806), (76, 258447), (84, 233833), (93, 211204), (114, 172298), (124, 158403), (133, 147684), (186, 105602), (217, 90516), (228, 86149), (266, 73842), (372, 52801), (397, 49476), (399, 49228), (434, 45258), (532, 36921), (589, 33348), (651, 30172), (794, 24738), (798, 24614), (868, 22629), (1178, 16674), (1191, 16492), (1302, 15086), (1588, 12369), (1596, 12307), (1767, 11116), (2356, 8337), (2382, 8246), (2604, 7543), (2779, 7068), (3534, 5558), (4123, 4764)]