19641390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10733}}^1$

素因数の和:10804

約数の個数: 32

約数和(自身を含む): 47916576

約数和(自身を除く): 28275186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 10733, 21466, 32199, 53665, 64398, 107330, 160995, 321990, 654713, 1309426, 1964139, 3273565, 3928278, 6547130, 9820695, 19641390]

約数ペア:

[(1, 19641390), (2, 9820695), (3, 6547130), (5, 3928278), (6, 3273565), (10, 1964139), (15, 1309426), (30, 654713), (61, 321990), (122, 160995), (183, 107330), (305, 64398), (366, 53665), (610, 32199), (915, 21466), (1830, 10733)]