19397300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 46517856

約数和(自身を除く): 27120556

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 347, 430, 559, 650, 694, 860, 1075, 1118, 1300, 1388, 1735, 2150, 2236, 2795, 3470, 4300, 4511, 5590, 6940, 8675, 9022, 11180, 13975, 14921, 17350, 18044, 22555, 27950, 29842, 34700, 45110, 55900, 59684, 74605, 90220, 112775, 149210, 193973, 225550, 298420, 373025, 387946, 451100, 746050, 775892, 969865, 1492100, 1939730, 3879460, 4849325, 9698650, 19397300]

約数ペア:

[(1, 19397300), (2, 9698650), (4, 4849325), (5, 3879460), (10, 1939730), (13, 1492100), (20, 969865), (25, 775892), (26, 746050), (43, 451100), (50, 387946), (52, 373025), (65, 298420), (86, 225550), (100, 193973), (130, 149210), (172, 112775), (215, 90220), (260, 74605), (325, 59684), (347, 55900), (430, 45110), (559, 34700), (650, 29842), (694, 27950), (860, 22555), (1075, 18044), (1118, 17350), (1300, 14921), (1388, 13975), (1735, 11180), (2150, 9022), (2236, 8675), (2795, 6940), (3470, 5590), (4300, 4511)]