19695970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23849630

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 59, 70, 95, 118, 133, 190, 251, 266, 295, 413, 502, 590, 665, 826, 1121, 1255, 1330, 1757, 2065, 2242, 2510, 3514, 4130, 4769, 5605, 7847, 8785, 9538, 11210, 14809, 15694, 17570, 23845, 29618, 33383, 39235, 47690, 66766, 74045, 78470, 103663, 148090, 166915, 207326, 281371, 333830, 518315, 562742, 1036630, 1406855, 1969597, 2813710, 3939194, 9847985, 19695970]

約数ペア:

[(1, 19695970), (2, 9847985), (5, 3939194), (7, 2813710), (10, 1969597), (14, 1406855), (19, 1036630), (35, 562742), (38, 518315), (59, 333830), (70, 281371), (95, 207326), (118, 166915), (133, 148090), (190, 103663), (251, 78470), (266, 74045), (295, 66766), (413, 47690), (502, 39235), (590, 33383), (665, 29618), (826, 23845), (1121, 17570), (1255, 15694), (1330, 14809), (1757, 11210), (2065, 9538), (2242, 8785), (2510, 7847), (3514, 5605), (4130, 4769)]