19973226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 49690368

約数和(自身を除く): 29717142

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 157, 182, 233, 273, 314, 466, 471, 546, 699, 942, 1099, 1398, 1631, 2041, 2198, 3029, 3262, 3297, 4082, 4893, 6058, 6123, 6594, 9087, 9786, 12246, 14287, 18174, 21203, 28574, 36581, 42406, 42861, 63609, 73162, 85722, 109743, 127218, 219486, 256067, 475553, 512134, 768201, 951106, 1426659, 1536402, 2853318, 3328871, 6657742, 9986613, 19973226]

約数ペア:

[(1, 19973226), (2, 9986613), (3, 6657742), (6, 3328871), (7, 2853318), (13, 1536402), (14, 1426659), (21, 951106), (26, 768201), (39, 512134), (42, 475553), (78, 256067), (91, 219486), (157, 127218), (182, 109743), (233, 85722), (273, 73162), (314, 63609), (466, 42861), (471, 42406), (546, 36581), (699, 28574), (942, 21203), (1099, 18174), (1398, 14287), (1631, 12246), (2041, 9786), (2198, 9087), (3029, 6594), (3262, 6123), (3297, 6058), (4082, 4893)]