19419950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 43711488

約数和(自身を除く): 24291538

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 31, 34, 50, 55, 62, 67, 85, 110, 134, 155, 170, 187, 275, 310, 335, 341, 374, 425, 527, 550, 670, 682, 737, 775, 850, 935, 1054, 1139, 1474, 1550, 1675, 1705, 1870, 2077, 2278, 2635, 3350, 3410, 3685, 4154, 4675, 5270, 5695, 5797, 7370, 8525, 9350, 10385, 11390, 11594, 12529, 13175, 17050, 18425, 20770, 22847, 25058, 26350, 28475, 28985, 35309, 36850, 45694, 51925, 56950, 57970, 62645, 70618, 103850, 114235, 125290, 144925, 176545, 228470, 289850, 313225, 353090, 388399, 571175, 626450, 776798, 882725, 1142350, 1765450, 1941995, 3883990, 9709975, 19419950]

約数ペア:

[(1, 19419950), (2, 9709975), (5, 3883990), (10, 1941995), (11, 1765450), (17, 1142350), (22, 882725), (25, 776798), (31, 626450), (34, 571175), (50, 388399), (55, 353090), (62, 313225), (67, 289850), (85, 228470), (110, 176545), (134, 144925), (155, 125290), (170, 114235), (187, 103850), (275, 70618), (310, 62645), (335, 57970), (341, 56950), (374, 51925), (425, 45694), (527, 36850), (550, 35309), (670, 28985), (682, 28475), (737, 26350), (775, 25058), (850, 22847), (935, 20770), (1054, 18425), (1139, 17050), (1474, 13175), (1550, 12529), (1675, 11594), (1705, 11390), (1870, 10385), (2077, 9350), (2278, 8525), (2635, 7370), (3350, 5797), (3410, 5695), (3685, 5270), (4154, 4675)]