19181250

素因数分解:

$2^1\times 3^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 144

約数和(自身を含む): 58496256

約数和(自身を除く): 39315006

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 31, 33, 45, 50, 55, 62, 66, 75, 90, 93, 99, 110, 125, 150, 155, 165, 186, 198, 225, 250, 275, 279, 310, 330, 341, 375, 450, 465, 495, 550, 558, 625, 682, 750, 775, 825, 930, 990, 1023, 1125, 1250, 1375, 1395, 1550, 1650, 1705, 1875, 2046, 2250, 2325, 2475, 2750, 2790, 3069, 3125, 3410, 3750, 3875, 4125, 4650, 4950, 5115, 5625, 6138, 6250, 6875, 6975, 7750, 8250, 8525, 9375, 10230, 11250, 11625, 12375, 13750, 13950, 15345, 17050, 18750, 19375, 20625, 23250, 24750, 25575, 28125, 30690, 34375, 34875, 38750, 41250, 42625, 51150, 56250, 58125, 61875, 68750, 69750, 76725, 85250, 96875, 103125, 116250, 123750, 127875, 153450, 174375, 193750, 206250, 213125, 255750, 290625, 309375, 348750, 383625, 426250, 581250, 618750, 639375, 767250, 871875, 1065625, 1278750, 1743750, 1918125, 2131250, 3196875, 3836250, 6393750, 9590625, 19181250]

約数ペア:

[(1, 19181250), (2, 9590625), (3, 6393750), (5, 3836250), (6, 3196875), (9, 2131250), (10, 1918125), (11, 1743750), (15, 1278750), (18, 1065625), (22, 871875), (25, 767250), (30, 639375), (31, 618750), (33, 581250), (45, 426250), (50, 383625), (55, 348750), (62, 309375), (66, 290625), (75, 255750), (90, 213125), (93, 206250), (99, 193750), (110, 174375), (125, 153450), (150, 127875), (155, 123750), (165, 116250), (186, 103125), (198, 96875), (225, 85250), (250, 76725), (275, 69750), (279, 68750), (310, 61875), (330, 58125), (341, 56250), (375, 51150), (450, 42625), (465, 41250), (495, 38750), (550, 34875), (558, 34375), (625, 30690), (682, 28125), (750, 25575), (775, 24750), (825, 23250), (930, 20625), (990, 19375), (1023, 18750), (1125, 17050), (1250, 15345), (1375, 13950), (1395, 13750), (1550, 12375), (1650, 11625), (1705, 11250), (1875, 10230), (2046, 9375), (2250, 8525), (2325, 8250), (2475, 7750), (2750, 6975), (2790, 6875), (3069, 6250), (3125, 6138), (3410, 5625), (3750, 5115), (3875, 4950), (4125, 4650)]