17961996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 48145104

約数和(自身を除く): 30183108

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 169, 204, 221, 338, 442, 507, 521, 663, 676, 884, 1014, 1042, 1326, 1563, 2028, 2084, 2652, 2873, 3126, 5746, 6252, 6773, 8619, 8857, 11492, 13546, 17238, 17714, 20319, 26571, 27092, 34476, 35428, 40638, 53142, 81276, 88049, 106284, 115141, 176098, 230282, 264147, 345423, 352196, 460564, 528294, 690846, 1056588, 1381692, 1496833, 2993666, 4490499, 5987332, 8980998, 17961996]

約数ペア:

[(1, 17961996), (2, 8980998), (3, 5987332), (4, 4490499), (6, 2993666), (12, 1496833), (13, 1381692), (17, 1056588), (26, 690846), (34, 528294), (39, 460564), (51, 352196), (52, 345423), (68, 264147), (78, 230282), (102, 176098), (156, 115141), (169, 106284), (204, 88049), (221, 81276), (338, 53142), (442, 40638), (507, 35428), (521, 34476), (663, 27092), (676, 26571), (884, 20319), (1014, 17714), (1042, 17238), (1326, 13546), (1563, 11492), (2028, 8857), (2084, 8619), (2652, 6773), (2873, 6252), (3126, 5746)]