198178132

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 376992000

約数和(自身を除く): 178813868

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 109, 188, 218, 436, 509, 893, 1018, 1786, 2036, 2071, 3572, 4142, 5123, 8284, 9671, 10246, 19342, 20492, 23923, 38684, 47846, 55481, 95692, 97337, 110962, 194674, 221924, 389348, 454537, 909074, 1054139, 1818148, 2108278, 2607607, 4216556, 5215214, 10430428, 49544533, 99089066, 198178132]

約数ペア:

[(1, 198178132), (2, 99089066), (4, 49544533), (19, 10430428), (38, 5215214), (47, 4216556), (76, 2607607), (94, 2108278), (109, 1818148), (188, 1054139), (218, 909074), (436, 454537), (509, 389348), (893, 221924), (1018, 194674), (1786, 110962), (2036, 97337), (2071, 95692), (3572, 55481), (4142, 47846), (5123, 38684), (8284, 23923), (9671, 20492), (10246, 19342)]