18785970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29819}}^1$

素因数の和:29839

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 37037070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 29819, 59638, 89457, 149095, 178914, 208733, 268371, 298190, 417466, 447285, 536742, 626199, 894570, 1043665, 1252398, 1341855, 1878597, 2087330, 2683710, 3130995, 3757194, 6261990, 9392985, 18785970]

約数ペア:

[(1, 18785970), (2, 9392985), (3, 6261990), (5, 3757194), (6, 3130995), (7, 2683710), (9, 2087330), (10, 1878597), (14, 1341855), (15, 1252398), (18, 1043665), (21, 894570), (30, 626199), (35, 536742), (42, 447285), (45, 417466), (63, 298190), (70, 268371), (90, 208733), (105, 178914), (126, 149095), (210, 89457), (315, 59638), (630, 29819)]