19880508

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 47828480

約数和(自身を除く): 27947972

約数列:

[1, 2, 3, 4, 6, 12, 67, 79, 134, 158, 201, 237, 268, 313, 316, 402, 474, 626, 804, 939, 948, 1252, 1878, 3756, 5293, 10586, 15879, 20971, 21172, 24727, 31758, 41942, 49454, 62913, 63516, 74181, 83884, 98908, 125826, 148362, 251652, 296724, 1656709, 3313418, 4970127, 6626836, 9940254, 19880508]

約数ペア:

[(1, 19880508), (2, 9940254), (3, 6626836), (4, 4970127), (6, 3313418), (12, 1656709), (67, 296724), (79, 251652), (134, 148362), (158, 125826), (201, 98908), (237, 83884), (268, 74181), (313, 63516), (316, 62913), (402, 49454), (474, 41942), (626, 31758), (804, 24727), (939, 21172), (948, 20971), (1252, 15879), (1878, 10586), (3756, 5293)]