19174060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 41983200

約数和(自身を除く): 22809140

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 349, 410, 670, 698, 820, 1340, 1396, 1745, 2747, 3490, 5494, 6980, 10988, 13735, 14309, 23383, 27470, 28618, 46766, 54940, 57236, 71545, 93532, 116915, 143090, 233830, 286180, 467660, 958703, 1917406, 3834812, 4793515, 9587030, 19174060]

約数ペア:

[(1, 19174060), (2, 9587030), (4, 4793515), (5, 3834812), (10, 1917406), (20, 958703), (41, 467660), (67, 286180), (82, 233830), (134, 143090), (164, 116915), (205, 93532), (268, 71545), (335, 57236), (349, 54940), (410, 46766), (670, 28618), (698, 27470), (820, 23383), (1340, 14309), (1396, 13735), (1745, 10988), (2747, 6980), (3490, 5494)]