19750346

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18170614

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 121, 131, 154, 178, 242, 262, 623, 847, 917, 979, 1246, 1441, 1694, 1834, 1958, 2882, 6853, 10087, 10769, 11659, 13706, 15851, 20174, 21538, 23318, 31702, 75383, 81613, 110957, 128249, 150766, 163226, 221914, 256498, 897743, 1410739, 1795486, 2821478, 9875173, 19750346]

約数ペア:

[(1, 19750346), (2, 9875173), (7, 2821478), (11, 1795486), (14, 1410739), (22, 897743), (77, 256498), (89, 221914), (121, 163226), (131, 150766), (154, 128249), (178, 110957), (242, 81613), (262, 75383), (623, 31702), (847, 23318), (917, 21538), (979, 20174), (1246, 15851), (1441, 13706), (1694, 11659), (1834, 10769), (1958, 10087), (2882, 6853)]