19876770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 54632448

約数和(自身を除く): 34755678

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 47, 74, 90, 94, 111, 127, 141, 185, 222, 235, 254, 282, 333, 370, 381, 423, 470, 555, 635, 666, 705, 762, 846, 1110, 1143, 1270, 1410, 1665, 1739, 1905, 2115, 2286, 3330, 3478, 3810, 4230, 4699, 5217, 5715, 5969, 8695, 9398, 10434, 11430, 11938, 14097, 15651, 17390, 17907, 23495, 26085, 28194, 29845, 31302, 35814, 42291, 46990, 52170, 53721, 59690, 70485, 78255, 84582, 89535, 107442, 140970, 156510, 179070, 211455, 220853, 268605, 422910, 441706, 537210, 662559, 1104265, 1325118, 1987677, 2208530, 3312795, 3975354, 6625590, 9938385, 19876770]

約数ペア:

[(1, 19876770), (2, 9938385), (3, 6625590), (5, 3975354), (6, 3312795), (9, 2208530), (10, 1987677), (15, 1325118), (18, 1104265), (30, 662559), (37, 537210), (45, 441706), (47, 422910), (74, 268605), (90, 220853), (94, 211455), (111, 179070), (127, 156510), (141, 140970), (185, 107442), (222, 89535), (235, 84582), (254, 78255), (282, 70485), (333, 59690), (370, 53721), (381, 52170), (423, 46990), (470, 42291), (555, 35814), (635, 31302), (666, 29845), (705, 28194), (762, 26085), (846, 23495), (1110, 17907), (1143, 17390), (1270, 15651), (1410, 14097), (1665, 11938), (1739, 11430), (1905, 10434), (2115, 9398), (2286, 8695), (3330, 5969), (3478, 5715), (3810, 5217), (4230, 4699)]