19211190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 30140490

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 139, 170, 255, 271, 278, 417, 510, 542, 695, 813, 834, 1355, 1390, 1626, 2085, 2363, 2710, 4065, 4170, 4607, 4726, 7089, 8130, 9214, 11815, 13821, 14178, 23035, 23630, 27642, 35445, 37669, 46070, 69105, 70890, 75338, 113007, 138210, 188345, 226014, 376690, 565035, 640373, 1130070, 1280746, 1921119, 3201865, 3842238, 6403730, 9605595, 19211190]

約数ペア:

[(1, 19211190), (2, 9605595), (3, 6403730), (5, 3842238), (6, 3201865), (10, 1921119), (15, 1280746), (17, 1130070), (30, 640373), (34, 565035), (51, 376690), (85, 226014), (102, 188345), (139, 138210), (170, 113007), (255, 75338), (271, 70890), (278, 69105), (417, 46070), (510, 37669), (542, 35445), (695, 27642), (813, 23630), (834, 23035), (1355, 14178), (1390, 13821), (1626, 11815), (2085, 9214), (2363, 8130), (2710, 7089), (4065, 4726), (4170, 4607)]