19905030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3301}}^1$

素因数の和:3381

約数の個数: 48

約数和(自身を含む): 52541424

約数和(自身を除く): 32636394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 3301, 6030, 6602, 9903, 16505, 19806, 29709, 33010, 49515, 59418, 99030, 148545, 221167, 297090, 442334, 663501, 1105835, 1327002, 1990503, 2211670, 3317505, 3981006, 6635010, 9952515, 19905030]

約数ペア:

[(1, 19905030), (2, 9952515), (3, 6635010), (5, 3981006), (6, 3317505), (9, 2211670), (10, 1990503), (15, 1327002), (18, 1105835), (30, 663501), (45, 442334), (67, 297090), (90, 221167), (134, 148545), (201, 99030), (335, 59418), (402, 49515), (603, 33010), (670, 29709), (1005, 19806), (1206, 16505), (2010, 9903), (3015, 6602), (3301, 6030)]