19546536620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1913}}^1\times {\mathrm{3023}}^1$

素因数の和:4971

約数の個数: 72

約数和(自身を含む): 44486076096

約数和(自身を除く): 24939539476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 1913, 3023, 3380, 3826, 6046, 7652, 9565, 12092, 15115, 19130, 24869, 30230, 38260, 39299, 49738, 60460, 78598, 99476, 124345, 157196, 196495, 248690, 323297, 392990, 497380, 510887, 646594, 785980, 1021774, 1293188, 1616485, 2043548, 2554435, 3232970, 5108870, 5782999, 6465940, 10217740, 11565998, 23131996, 28914995, 57829990, 75178987, 115659980, 150357974, 300715948, 375894935, 751789870, 977326831, 1503579740, 1954653662, 3909307324, 4886634155, 9773268310, 19546536620]

約数ペア:

[(1, 19546536620), (2, 9773268310), (4, 4886634155), (5, 3909307324), (10, 1954653662), (13, 1503579740), (20, 977326831), (26, 751789870), (52, 375894935), (65, 300715948), (130, 150357974), (169, 115659980), (260, 75178987), (338, 57829990), (676, 28914995), (845, 23131996), (1690, 11565998), (1913, 10217740), (3023, 6465940), (3380, 5782999), (3826, 5108870), (6046, 3232970), (7652, 2554435), (9565, 2043548), (12092, 1616485), (15115, 1293188), (19130, 1021774), (24869, 785980), (30230, 646594), (38260, 510887), (39299, 497380), (49738, 392990), (60460, 323297), (78598, 248690), (99476, 196495), (124345, 157196)]