19865032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^2$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 43167600

約数和(自身を除く): 23302568

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 109, 152, 209, 218, 418, 436, 836, 872, 1199, 1672, 2071, 2398, 4142, 4796, 8284, 9592, 11881, 16568, 22781, 23762, 45562, 47524, 91124, 95048, 130691, 182248, 225739, 261382, 451478, 522764, 902956, 1045528, 1805912, 2483129, 4966258, 9932516, 19865032]

約数ペア:

[(1, 19865032), (2, 9932516), (4, 4966258), (8, 2483129), (11, 1805912), (19, 1045528), (22, 902956), (38, 522764), (44, 451478), (76, 261382), (88, 225739), (109, 182248), (152, 130691), (209, 95048), (218, 91124), (418, 47524), (436, 45562), (836, 23762), (872, 22781), (1199, 16568), (1672, 11881), (2071, 9592), (2398, 8284), (4142, 4796)]