19672796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 40887168

約数和(自身を除く): 21214372

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 163, 211, 286, 326, 422, 572, 652, 844, 1793, 2119, 2321, 2743, 3586, 4238, 4642, 5486, 7172, 8476, 9284, 10972, 23309, 30173, 34393, 46618, 60346, 68786, 93236, 120692, 137572, 378323, 447109, 756646, 894218, 1513292, 1788436, 4918199, 9836398, 19672796]

約数ペア:

[(1, 19672796), (2, 9836398), (4, 4918199), (11, 1788436), (13, 1513292), (22, 894218), (26, 756646), (44, 447109), (52, 378323), (143, 137572), (163, 120692), (211, 93236), (286, 68786), (326, 60346), (422, 46618), (572, 34393), (652, 30173), (844, 23309), (1793, 10972), (2119, 9284), (2321, 8476), (2743, 7172), (3586, 5486), (4238, 4642)]