19906415438

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1\times {\mathrm{373}}^1$

素因数の和:826

約数の個数: 128

約数和(自身を含む): 39955120128

約数和(自身を除く): 20048704690

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 47, 91, 94, 119, 182, 221, 238, 329, 367, 373, 442, 611, 658, 734, 746, 799, 1222, 1547, 1598, 2569, 2611, 3094, 4277, 4771, 4849, 5138, 5222, 5593, 6239, 6341, 8554, 9542, 9698, 10387, 11186, 12478, 12682, 17249, 17531, 20774, 33397, 33943, 34498, 35062, 43673, 44387, 66794, 67886, 72709, 81107, 82433, 87346, 88774, 120743, 122717, 136891, 145418, 162214, 164866, 224237, 227903, 241486, 245434, 273782, 293233, 298027, 448474, 455806, 567749, 577031, 586466, 596054, 958237, 1135498, 1154062, 1569659, 1595321, 1779583, 1916474, 2052631, 2086189, 2327147, 3139318, 3190642, 3559166, 3812029, 3874351, 4105262, 4172378, 4654294, 6433877, 7624058, 7748702, 12457081, 12867754, 16290029, 24914162, 26684203, 27120457, 30252911, 32580058, 45037139, 53368406, 54240914, 60505822, 83640401, 90074278, 109375909, 167280802, 211770377, 218751818, 423540754, 585482807, 765631363, 1170965614, 1421886817, 1531262726, 2843773634, 9953207719, 19906415438]

約数ペア:

[(1, 19906415438), (2, 9953207719), (7, 2843773634), (13, 1531262726), (14, 1421886817), (17, 1170965614), (26, 765631363), (34, 585482807), (47, 423540754), (91, 218751818), (94, 211770377), (119, 167280802), (182, 109375909), (221, 90074278), (238, 83640401), (329, 60505822), (367, 54240914), (373, 53368406), (442, 45037139), (611, 32580058), (658, 30252911), (734, 27120457), (746, 26684203), (799, 24914162), (1222, 16290029), (1547, 12867754), (1598, 12457081), (2569, 7748702), (2611, 7624058), (3094, 6433877), (4277, 4654294), (4771, 4172378), (4849, 4105262), (5138, 3874351), (5222, 3812029), (5593, 3559166), (6239, 3190642), (6341, 3139318), (8554, 2327147), (9542, 2086189), (9698, 2052631), (10387, 1916474), (11186, 1779583), (12478, 1595321), (12682, 1569659), (17249, 1154062), (17531, 1135498), (20774, 958237), (33397, 596054), (33943, 586466), (34498, 577031), (35062, 567749), (43673, 455806), (44387, 448474), (66794, 298027), (67886, 293233), (72709, 273782), (81107, 245434), (82433, 241486), (87346, 227903), (88774, 224237), (120743, 164866), (122717, 162214), (136891, 145418)]