18512460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5413}}^1$

素因数の和:5447

約数の個数: 72

約数和(自身を含む): 59120880

約数和(自身を除く): 40608420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5413, 10826, 16239, 21652, 27065, 32478, 48717, 54130, 64956, 81195, 97434, 102847, 108260, 162390, 194868, 205694, 243585, 308541, 324780, 411388, 487170, 514235, 617082, 925623, 974340, 1028470, 1234164, 1542705, 1851246, 2056940, 3085410, 3702492, 4628115, 6170820, 9256230, 18512460]

約数ペア:

[(1, 18512460), (2, 9256230), (3, 6170820), (4, 4628115), (5, 3702492), (6, 3085410), (9, 2056940), (10, 1851246), (12, 1542705), (15, 1234164), (18, 1028470), (19, 974340), (20, 925623), (30, 617082), (36, 514235), (38, 487170), (45, 411388), (57, 324780), (60, 308541), (76, 243585), (90, 205694), (95, 194868), (114, 162390), (171, 108260), (180, 102847), (190, 97434), (228, 81195), (285, 64956), (342, 54130), (380, 48717), (570, 32478), (684, 27065), (855, 21652), (1140, 16239), (1710, 10826), (3420, 5413)]