19279300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 44962400

約数和(自身を除く): 25683100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 73, 76, 95, 100, 139, 146, 190, 278, 292, 365, 380, 475, 556, 695, 730, 950, 1387, 1390, 1460, 1825, 1900, 2641, 2774, 2780, 3475, 3650, 5282, 5548, 6935, 6950, 7300, 10147, 10564, 13205, 13870, 13900, 20294, 26410, 27740, 34675, 40588, 50735, 52820, 66025, 69350, 101470, 132050, 138700, 192793, 202940, 253675, 264100, 385586, 507350, 771172, 963965, 1014700, 1927930, 3855860, 4819825, 9639650, 19279300]

約数ペア:

[(1, 19279300), (2, 9639650), (4, 4819825), (5, 3855860), (10, 1927930), (19, 1014700), (20, 963965), (25, 771172), (38, 507350), (50, 385586), (73, 264100), (76, 253675), (95, 202940), (100, 192793), (139, 138700), (146, 132050), (190, 101470), (278, 69350), (292, 66025), (365, 52820), (380, 50735), (475, 40588), (556, 34675), (695, 27740), (730, 26410), (950, 20294), (1387, 13900), (1390, 13870), (1460, 13205), (1825, 10564), (1900, 10147), (2641, 7300), (2774, 6950), (2780, 6935), (3475, 5548), (3650, 5282)]