19478052

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 54355392

約数和(自身を除く): 34877340

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 487, 606, 909, 974, 1111, 1212, 1461, 1818, 1948, 2222, 2922, 3333, 3636, 4383, 4444, 5357, 5844, 6666, 8766, 9999, 10714, 13332, 16071, 17532, 19998, 21428, 32142, 39996, 48213, 49187, 64284, 96426, 98374, 147561, 192852, 196748, 295122, 442683, 541057, 590244, 885366, 1082114, 1623171, 1770732, 2164228, 3246342, 4869513, 6492684, 9739026, 19478052]

約数ペア:

[(1, 19478052), (2, 9739026), (3, 6492684), (4, 4869513), (6, 3246342), (9, 2164228), (11, 1770732), (12, 1623171), (18, 1082114), (22, 885366), (33, 590244), (36, 541057), (44, 442683), (66, 295122), (99, 196748), (101, 192852), (132, 147561), (198, 98374), (202, 96426), (303, 64284), (396, 49187), (404, 48213), (487, 39996), (606, 32142), (909, 21428), (974, 19998), (1111, 17532), (1212, 16071), (1461, 13332), (1818, 10714), (1948, 9999), (2222, 8766), (2922, 6666), (3333, 5844), (3636, 5357), (4383, 4444)]