19949370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 57226176

約数和(自身を除く): 37276806

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 49, 70, 82, 98, 105, 123, 147, 205, 210, 245, 246, 287, 294, 331, 410, 490, 574, 615, 662, 735, 861, 993, 1230, 1435, 1470, 1655, 1722, 1986, 2009, 2317, 2870, 3310, 4018, 4305, 4634, 4965, 6027, 6951, 8610, 9930, 10045, 11585, 12054, 13571, 13902, 16219, 20090, 23170, 27142, 30135, 32438, 34755, 40713, 48657, 60270, 67855, 69510, 81095, 81426, 94997, 97314, 135710, 162190, 189994, 203565, 243285, 284991, 407130, 474985, 486570, 569982, 664979, 949970, 1329958, 1424955, 1994937, 2849910, 3324895, 3989874, 6649790, 9974685, 19949370]

約数ペア:

[(1, 19949370), (2, 9974685), (3, 6649790), (5, 3989874), (6, 3324895), (7, 2849910), (10, 1994937), (14, 1424955), (15, 1329958), (21, 949970), (30, 664979), (35, 569982), (41, 486570), (42, 474985), (49, 407130), (70, 284991), (82, 243285), (98, 203565), (105, 189994), (123, 162190), (147, 135710), (205, 97314), (210, 94997), (245, 81426), (246, 81095), (287, 69510), (294, 67855), (331, 60270), (410, 48657), (490, 40713), (574, 34755), (615, 32438), (662, 30135), (735, 27142), (861, 23170), (993, 20090), (1230, 16219), (1435, 13902), (1470, 13571), (1655, 12054), (1722, 11585), (1986, 10045), (2009, 9930), (2317, 8610), (2870, 6951), (3310, 6027), (4018, 4965), (4305, 4634)]