19511640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 96

約数和(自身を含む): 64275120

約数和(自身を除く): 44763480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 653, 664, 747, 830, 996, 1245, 1306, 1494, 1660, 1959, 1992, 2490, 2612, 2988, 3265, 3320, 3735, 3918, 4980, 5224, 5877, 5976, 6530, 7470, 7836, 9795, 9960, 11754, 13060, 14940, 15672, 19590, 23508, 26120, 29385, 29880, 39180, 47016, 54199, 58770, 78360, 108398, 117540, 162597, 216796, 235080, 270995, 325194, 433592, 487791, 541990, 650388, 812985, 975582, 1083980, 1300776, 1625970, 1951164, 2167960, 2438955, 3251940, 3902328, 4877910, 6503880, 9755820, 19511640]

約数ペア:

[(1, 19511640), (2, 9755820), (3, 6503880), (4, 4877910), (5, 3902328), (6, 3251940), (8, 2438955), (9, 2167960), (10, 1951164), (12, 1625970), (15, 1300776), (18, 1083980), (20, 975582), (24, 812985), (30, 650388), (36, 541990), (40, 487791), (45, 433592), (60, 325194), (72, 270995), (83, 235080), (90, 216796), (120, 162597), (166, 117540), (180, 108398), (249, 78360), (332, 58770), (360, 54199), (415, 47016), (498, 39180), (653, 29880), (664, 29385), (747, 26120), (830, 23508), (996, 19590), (1245, 15672), (1306, 14940), (1494, 13060), (1660, 11754), (1959, 9960), (1992, 9795), (2490, 7836), (2612, 7470), (2988, 6530), (3265, 5976), (3320, 5877), (3735, 5224), (3918, 4980)]