18316970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 40697856

約数和(自身を除く): 22380886

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 367, 434, 713, 734, 805, 1085, 1426, 1610, 1835, 2170, 2569, 3565, 3670, 4991, 5138, 7130, 8441, 9982, 11377, 12845, 16882, 22754, 24955, 25690, 42205, 49910, 56885, 59087, 79639, 84410, 113770, 118174, 159278, 261671, 295435, 398195, 523342, 590870, 796390, 1308355, 1831697, 2616710, 3663394, 9158485, 18316970]

約数ペア:

[(1, 18316970), (2, 9158485), (5, 3663394), (7, 2616710), (10, 1831697), (14, 1308355), (23, 796390), (31, 590870), (35, 523342), (46, 398195), (62, 295435), (70, 261671), (115, 159278), (155, 118174), (161, 113770), (217, 84410), (230, 79639), (310, 59087), (322, 56885), (367, 49910), (434, 42205), (713, 25690), (734, 24955), (805, 22754), (1085, 16882), (1426, 12845), (1610, 11377), (1835, 9982), (2170, 8441), (2569, 7130), (3565, 5138), (3670, 4991)]