15184420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 34675200

約数和(自身を除く): 19490780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1289, 2356, 2578, 2945, 5156, 5890, 6445, 11780, 12890, 24491, 25780, 39959, 48982, 79918, 97964, 122455, 159836, 199795, 244910, 399590, 489820, 759221, 799180, 1518442, 3036884, 3796105, 7592210, 15184420]

約数ペア:

[(1, 15184420), (2, 7592210), (4, 3796105), (5, 3036884), (10, 1518442), (19, 799180), (20, 759221), (31, 489820), (38, 399590), (62, 244910), (76, 199795), (95, 159836), (124, 122455), (155, 97964), (190, 79918), (310, 48982), (380, 39959), (589, 25780), (620, 24491), (1178, 12890), (1289, 11780), (2356, 6445), (2578, 5890), (2945, 5156)]