19452510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:439

約数の個数: 144

約数和(自身を含む): 64342512

約数和(自身を除く): 44890002

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 49, 55, 63, 66, 70, 77, 90, 98, 99, 105, 110, 126, 147, 154, 165, 198, 210, 231, 245, 294, 315, 330, 385, 401, 441, 462, 490, 495, 539, 630, 693, 735, 770, 802, 882, 990, 1078, 1155, 1203, 1386, 1470, 1617, 2005, 2205, 2310, 2406, 2695, 2807, 3234, 3465, 3609, 4010, 4410, 4411, 4851, 5390, 5614, 6015, 6930, 7218, 8085, 8421, 8822, 9702, 12030, 13233, 14035, 16170, 16842, 18045, 19649, 22055, 24255, 25263, 26466, 28070, 30877, 36090, 39298, 39699, 42105, 44110, 48510, 50526, 58947, 61754, 66165, 79398, 84210, 92631, 98245, 117894, 126315, 132330, 154385, 176841, 185262, 196490, 198495, 216139, 252630, 277893, 294735, 308770, 353682, 396990, 432278, 463155, 555786, 589470, 648417, 884205, 926310, 1080695, 1296834, 1389465, 1768410, 1945251, 2161390, 2778930, 3242085, 3890502, 6484170, 9726255, 19452510]

約数ペア:

[(1, 19452510), (2, 9726255), (3, 6484170), (5, 3890502), (6, 3242085), (7, 2778930), (9, 2161390), (10, 1945251), (11, 1768410), (14, 1389465), (15, 1296834), (18, 1080695), (21, 926310), (22, 884205), (30, 648417), (33, 589470), (35, 555786), (42, 463155), (45, 432278), (49, 396990), (55, 353682), (63, 308770), (66, 294735), (70, 277893), (77, 252630), (90, 216139), (98, 198495), (99, 196490), (105, 185262), (110, 176841), (126, 154385), (147, 132330), (154, 126315), (165, 117894), (198, 98245), (210, 92631), (231, 84210), (245, 79398), (294, 66165), (315, 61754), (330, 58947), (385, 50526), (401, 48510), (441, 44110), (462, 42105), (490, 39699), (495, 39298), (539, 36090), (630, 30877), (693, 28070), (735, 26466), (770, 25263), (802, 24255), (882, 22055), (990, 19649), (1078, 18045), (1155, 16842), (1203, 16170), (1386, 14035), (1470, 13233), (1617, 12030), (2005, 9702), (2205, 8822), (2310, 8421), (2406, 8085), (2695, 7218), (2807, 6930), (3234, 6015), (3465, 5614), (3609, 5390), (4010, 4851), (4410, 4411)]