20194202938

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{20963}}^1$

素因数の和:21131

約数の個数: 64

約数和(自身を含む): 38318837760

約数和(自身を除く): 18124634822

約数列:

[1, 2, 7, 13, 14, 26, 67, 79, 91, 134, 158, 182, 469, 553, 871, 938, 1027, 1106, 1742, 2054, 5293, 6097, 7189, 10586, 12194, 14378, 20963, 37051, 41926, 68809, 74102, 137618, 146741, 272519, 293482, 481663, 545038, 963326, 1404521, 1656077, 1907633, 2809042, 3312154, 3815266, 9831647, 11592539, 18258773, 19663294, 21529001, 23185078, 36517546, 43058002, 110957159, 127811411, 150703007, 221914318, 255622822, 301406014, 776700113, 1442443067, 1553400226, 2884886134, 10097101469, 20194202938]

約数ペア:

[(1, 20194202938), (2, 10097101469), (7, 2884886134), (13, 1553400226), (14, 1442443067), (26, 776700113), (67, 301406014), (79, 255622822), (91, 221914318), (134, 150703007), (158, 127811411), (182, 110957159), (469, 43058002), (553, 36517546), (871, 23185078), (938, 21529001), (1027, 19663294), (1106, 18258773), (1742, 11592539), (2054, 9831647), (5293, 3815266), (6097, 3312154), (7189, 2809042), (10586, 1907633), (12194, 1656077), (14378, 1404521), (20963, 963326), (37051, 545038), (41926, 481663), (68809, 293482), (74102, 272519), (137618, 146741)]