18713395148

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{21799}}^1$

素因数の和:21907

約数の個数: 96

約数和(自身を含む): 41253273600

約数和(自身を除く): 22539878452

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 43, 46, 62, 86, 92, 124, 161, 172, 217, 301, 322, 434, 602, 644, 713, 868, 989, 1204, 1333, 1426, 1978, 2666, 2852, 3956, 4991, 5332, 6923, 9331, 9982, 13846, 18662, 19964, 21799, 27692, 30659, 37324, 43598, 61318, 87196, 122636, 152593, 214613, 305186, 429226, 501377, 610372, 675769, 858452, 937357, 1002754, 1351538, 1874714, 2005508, 2703076, 3509639, 3749428, 4730383, 6561499, 7019278, 9460766, 13122998, 14038556, 15542687, 18921532, 21559211, 26245996, 29058067, 31085374, 43118422, 58116134, 62170748, 86236844, 108798809, 116232268, 150914477, 203406469, 217597618, 301828954, 406812938, 435195236, 603657908, 668335541, 813625876, 1336671082, 2673342164, 4678348787, 9356697574, 18713395148]

約数ペア:

[(1, 18713395148), (2, 9356697574), (4, 4678348787), (7, 2673342164), (14, 1336671082), (23, 813625876), (28, 668335541), (31, 603657908), (43, 435195236), (46, 406812938), (62, 301828954), (86, 217597618), (92, 203406469), (124, 150914477), (161, 116232268), (172, 108798809), (217, 86236844), (301, 62170748), (322, 58116134), (434, 43118422), (602, 31085374), (644, 29058067), (713, 26245996), (868, 21559211), (989, 18921532), (1204, 15542687), (1333, 14038556), (1426, 13122998), (1978, 9460766), (2666, 7019278), (2852, 6561499), (3956, 4730383), (4991, 3749428), (5332, 3509639), (6923, 2703076), (9331, 2005508), (9982, 1874714), (13846, 1351538), (18662, 1002754), (19964, 937357), (21799, 858452), (27692, 675769), (30659, 610372), (37324, 501377), (43598, 429226), (61318, 305186), (87196, 214613), (122636, 152593)]