19438830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{797}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 31352274

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 271, 542, 797, 813, 1355, 1594, 1626, 2391, 2439, 2710, 3985, 4065, 4782, 4878, 7173, 7970, 8130, 11955, 12195, 14346, 23910, 24390, 35865, 71730, 215987, 431974, 647961, 1079935, 1295922, 1943883, 2159870, 3239805, 3887766, 6479610, 9719415, 19438830]

約数ペア:

[(1, 19438830), (2, 9719415), (3, 6479610), (5, 3887766), (6, 3239805), (9, 2159870), (10, 1943883), (15, 1295922), (18, 1079935), (30, 647961), (45, 431974), (90, 215987), (271, 71730), (542, 35865), (797, 24390), (813, 23910), (1355, 14346), (1594, 12195), (1626, 11955), (2391, 8130), (2439, 7970), (2710, 7173), (3985, 4878), (4065, 4782)]