19681428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1597}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 50113280

約数和(自身を除く): 30431852

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 237, 316, 474, 948, 1027, 1597, 2054, 3081, 3194, 4108, 4791, 6162, 6388, 9582, 12324, 19164, 20761, 41522, 62283, 83044, 124566, 126163, 249132, 252326, 378489, 504652, 756978, 1513956, 1640119, 3280238, 4920357, 6560476, 9840714, 19681428]

約数ペア:

[(1, 19681428), (2, 9840714), (3, 6560476), (4, 4920357), (6, 3280238), (12, 1640119), (13, 1513956), (26, 756978), (39, 504652), (52, 378489), (78, 252326), (79, 249132), (156, 126163), (158, 124566), (237, 83044), (316, 62283), (474, 41522), (948, 20761), (1027, 19164), (1597, 12324), (2054, 9582), (3081, 6388), (3194, 6162), (4108, 4791)]