18924260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 22589212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 233, 262, 310, 466, 524, 620, 655, 932, 1165, 1310, 2330, 2620, 4061, 4660, 7223, 8122, 14446, 16244, 20305, 28892, 30523, 36115, 40610, 61046, 72230, 81220, 122092, 144460, 152615, 305230, 610460, 946213, 1892426, 3784852, 4731065, 9462130, 18924260]

約数ペア:

[(1, 18924260), (2, 9462130), (4, 4731065), (5, 3784852), (10, 1892426), (20, 946213), (31, 610460), (62, 305230), (124, 152615), (131, 144460), (155, 122092), (233, 81220), (262, 72230), (310, 61046), (466, 40610), (524, 36115), (620, 30523), (655, 28892), (932, 20305), (1165, 16244), (1310, 14446), (2330, 8122), (2620, 7223), (4061, 4660)]