18529540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 22113020

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 383, 410, 590, 766, 820, 1180, 1532, 1915, 2419, 3830, 4838, 7660, 9676, 12095, 15703, 22597, 24190, 31406, 45194, 48380, 62812, 78515, 90388, 112985, 157030, 225970, 314060, 451940, 926477, 1852954, 3705908, 4632385, 9264770, 18529540]

約数ペア:

[(1, 18529540), (2, 9264770), (4, 4632385), (5, 3705908), (10, 1852954), (20, 926477), (41, 451940), (59, 314060), (82, 225970), (118, 157030), (164, 112985), (205, 90388), (236, 78515), (295, 62812), (383, 48380), (410, 45194), (590, 31406), (766, 24190), (820, 22597), (1180, 15703), (1532, 12095), (1915, 9676), (2419, 7660), (3830, 4838)]