19306430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 42674688

約数和(自身を除く): 23368258

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 130, 143, 230, 253, 286, 299, 506, 587, 598, 715, 1174, 1265, 1430, 1495, 2530, 2935, 2990, 3289, 5870, 6457, 6578, 7631, 12914, 13501, 15262, 16445, 27002, 32285, 32890, 38155, 64570, 67505, 76310, 83941, 135010, 148511, 167882, 175513, 297022, 351026, 419705, 742555, 839410, 877565, 1485110, 1755130, 1930643, 3861286, 9653215, 19306430]

約数ペア:

[(1, 19306430), (2, 9653215), (5, 3861286), (10, 1930643), (11, 1755130), (13, 1485110), (22, 877565), (23, 839410), (26, 742555), (46, 419705), (55, 351026), (65, 297022), (110, 175513), (115, 167882), (130, 148511), (143, 135010), (230, 83941), (253, 76310), (286, 67505), (299, 64570), (506, 38155), (587, 32890), (598, 32285), (715, 27002), (1174, 16445), (1265, 15262), (1430, 13501), (1495, 12914), (2530, 7631), (2935, 6578), (2990, 6457), (3289, 5870)]