19232745

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 36246528

約数和(自身を除く): 17013783

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 137, 147, 191, 245, 411, 573, 685, 735, 955, 959, 1337, 2055, 2865, 2877, 4011, 4795, 6685, 6713, 9359, 14385, 20055, 20139, 26167, 28077, 33565, 46795, 78501, 100695, 130835, 140385, 183169, 392505, 549507, 915845, 1282183, 2747535, 3846549, 6410915, 19232745]

約数ペア:

[(1, 19232745), (3, 6410915), (5, 3846549), (7, 2747535), (15, 1282183), (21, 915845), (35, 549507), (49, 392505), (105, 183169), (137, 140385), (147, 130835), (191, 100695), (245, 78501), (411, 46795), (573, 33565), (685, 28077), (735, 26167), (955, 20139), (959, 20055), (1337, 14385), (2055, 9359), (2865, 6713), (2877, 6685), (4011, 4795)]