19517300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1613}}^1$

素因数の和:1649

約数の個数: 54

約数和(自身を含む): 46581654

約数和(自身を除く): 27064354

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 1613, 2420, 3025, 3226, 6050, 6452, 8065, 12100, 16130, 17743, 32260, 35486, 40325, 70972, 80650, 88715, 161300, 177430, 195173, 354860, 390346, 443575, 780692, 887150, 975865, 1774300, 1951730, 3903460, 4879325, 9758650, 19517300]

約数ペア:

[(1, 19517300), (2, 9758650), (4, 4879325), (5, 3903460), (10, 1951730), (11, 1774300), (20, 975865), (22, 887150), (25, 780692), (44, 443575), (50, 390346), (55, 354860), (100, 195173), (110, 177430), (121, 161300), (220, 88715), (242, 80650), (275, 70972), (484, 40325), (550, 35486), (605, 32260), (1100, 17743), (1210, 16130), (1613, 12100), (2420, 8065), (3025, 6452), (3226, 6050)]