19781370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1847}}^1$

素因数の和:1884

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 42488838

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 1847, 2142, 3570, 3694, 5355, 5541, 9235, 10710, 11082, 12929, 16623, 18470, 25858, 27705, 31399, 33246, 38787, 55410, 62798, 64645, 77574, 83115, 94197, 116361, 129290, 156995, 166230, 188394, 193935, 219793, 232722, 282591, 313990, 387870, 439586, 470985, 565182, 581805, 659379, 941970, 1098965, 1163610, 1318758, 1412955, 1978137, 2197930, 2825910, 3296895, 3956274, 6593790, 9890685, 19781370]

約数ペア:

[(1, 19781370), (2, 9890685), (3, 6593790), (5, 3956274), (6, 3296895), (7, 2825910), (9, 2197930), (10, 1978137), (14, 1412955), (15, 1318758), (17, 1163610), (18, 1098965), (21, 941970), (30, 659379), (34, 581805), (35, 565182), (42, 470985), (45, 439586), (51, 387870), (63, 313990), (70, 282591), (85, 232722), (90, 219793), (102, 193935), (105, 188394), (119, 166230), (126, 156995), (153, 129290), (170, 116361), (210, 94197), (238, 83115), (255, 77574), (306, 64645), (315, 62798), (357, 55410), (510, 38787), (595, 33246), (630, 31399), (714, 27705), (765, 25858), (1071, 18470), (1190, 16623), (1530, 12929), (1785, 11082), (1847, 10710), (2142, 9235), (3570, 5541), (3694, 5355)]