19912314555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1\times {\mathrm{743}}^1$

素因数の和:1481

約数の個数: 96

約数和(自身を含む): 39833164800

約数和(自身を除く): 19920850245

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 149, 315, 447, 571, 743, 745, 1043, 1341, 1713, 2229, 2235, 2855, 3129, 3715, 3997, 5139, 5201, 5215, 6687, 6705, 8565, 9387, 11145, 11991, 15603, 15645, 19985, 25695, 26005, 33435, 35973, 46809, 46935, 59955, 78015, 85079, 110707, 179865, 234045, 255237, 332121, 424253, 425395, 553535, 595553, 765711, 774949, 996363, 1272759, 1276185, 1660605, 1786659, 2121265, 2324847, 2969771, 2977765, 3818277, 3828555, 3874745, 4981815, 5359977, 6363795, 6974541, 8909313, 8933295, 11624235, 14848855, 19091385, 26727939, 26799885, 34872705, 44546565, 63213697, 133639695, 189641091, 316068485, 442495879, 568923273, 948205455, 1327487637, 2212479395, 2844616365, 3982462911, 6637438185, 19912314555]

約数ペア:

[(1, 19912314555), (3, 6637438185), (5, 3982462911), (7, 2844616365), (9, 2212479395), (15, 1327487637), (21, 948205455), (35, 568923273), (45, 442495879), (63, 316068485), (105, 189641091), (149, 133639695), (315, 63213697), (447, 44546565), (571, 34872705), (743, 26799885), (745, 26727939), (1043, 19091385), (1341, 14848855), (1713, 11624235), (2229, 8933295), (2235, 8909313), (2855, 6974541), (3129, 6363795), (3715, 5359977), (3997, 4981815), (5139, 3874745), (5201, 3828555), (5215, 3818277), (6687, 2977765), (6705, 2969771), (8565, 2324847), (9387, 2121265), (11145, 1786659), (11991, 1660605), (15603, 1276185), (15645, 1272759), (19985, 996363), (25695, 774949), (26005, 765711), (33435, 595553), (35973, 553535), (46809, 425395), (46935, 424253), (59955, 332121), (78015, 255237), (85079, 234045), (110707, 179865)]