19839420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5801}}^1$

素因数の和:5835

約数の個数: 72

約数和(自身を含む): 63357840

約数和(自身を除く): 43518420

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, 5801, 11602, 17403, 23204, 29005, 34806, 52209, 58010, 69612, 87015, 104418, 110219, 116020, 174030, 208836, 220438, 261045, 330657, 348060, 440876, 522090, 551095, 661314, 991971, 1044180, 1102190, 1322628, 1653285, 1983942, 2204380, 3306570, 3967884, 4959855, 6613140, 9919710, 19839420]

約数ペア:

[(1, 19839420), (2, 9919710), (3, 6613140), (4, 4959855), (5, 3967884), (6, 3306570), (9, 2204380), (10, 1983942), (12, 1653285), (15, 1322628), (18, 1102190), (19, 1044180), (20, 991971), (30, 661314), (36, 551095), (38, 522090), (45, 440876), (57, 348060), (60, 330657), (76, 261045), (90, 220438), (95, 208836), (114, 174030), (171, 116020), (180, 110219), (190, 104418), (228, 87015), (285, 69612), (342, 58010), (380, 52209), (570, 34806), (684, 29005), (855, 23204), (1140, 17403), (1710, 11602), (3420, 5801)]