19388330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 41223168

約数和(自身を除く): 21834838

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 283, 310, 403, 442, 527, 566, 806, 1054, 1105, 1415, 2015, 2210, 2635, 2830, 3679, 4030, 4811, 5270, 6851, 7358, 8773, 9622, 13702, 17546, 18395, 24055, 34255, 36790, 43865, 48110, 62543, 68510, 87730, 114049, 125086, 149141, 228098, 298282, 312715, 570245, 625430, 745705, 1140490, 1491410, 1938833, 3877666, 9694165, 19388330]

約数ペア:

[(1, 19388330), (2, 9694165), (5, 3877666), (10, 1938833), (13, 1491410), (17, 1140490), (26, 745705), (31, 625430), (34, 570245), (62, 312715), (65, 298282), (85, 228098), (130, 149141), (155, 125086), (170, 114049), (221, 87730), (283, 68510), (310, 62543), (403, 48110), (442, 43865), (527, 36790), (566, 34255), (806, 24055), (1054, 18395), (1105, 17546), (1415, 13702), (2015, 9622), (2210, 8773), (2635, 7358), (2830, 6851), (3679, 5270), (4030, 4811)]