17972746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 32479488

約数和(自身を除く): 14506742

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 73, 146, 209, 341, 361, 418, 589, 682, 722, 803, 1178, 1387, 1606, 2263, 2774, 3971, 4526, 6479, 7942, 11191, 12958, 15257, 22382, 24893, 26353, 30514, 42997, 49786, 52706, 85994, 123101, 246202, 289883, 472967, 579766, 816943, 945934, 1633886, 8986373, 17972746]

約数ペア:

[(1, 17972746), (2, 8986373), (11, 1633886), (19, 945934), (22, 816943), (31, 579766), (38, 472967), (62, 289883), (73, 246202), (146, 123101), (209, 85994), (341, 52706), (361, 49786), (418, 42997), (589, 30514), (682, 26353), (722, 24893), (803, 22382), (1178, 15257), (1387, 12958), (1606, 11191), (2263, 7942), (2774, 6479), (3971, 4526)]