19666020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 41297820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 83, 110, 132, 165, 166, 220, 249, 330, 332, 359, 415, 498, 660, 718, 830, 913, 996, 1077, 1245, 1436, 1660, 1795, 1826, 2154, 2490, 2739, 3590, 3652, 3949, 4308, 4565, 4980, 5385, 5478, 7180, 7898, 9130, 10770, 10956, 11847, 13695, 15796, 18260, 19745, 21540, 23694, 27390, 29797, 39490, 47388, 54780, 59235, 59594, 78980, 89391, 118470, 119188, 148985, 178782, 236940, 297970, 327767, 357564, 446955, 595940, 655534, 893910, 983301, 1311068, 1638835, 1787820, 1966602, 3277670, 3933204, 4916505, 6555340, 9833010, 19666020]

約数ペア:

[(1, 19666020), (2, 9833010), (3, 6555340), (4, 4916505), (5, 3933204), (6, 3277670), (10, 1966602), (11, 1787820), (12, 1638835), (15, 1311068), (20, 983301), (22, 893910), (30, 655534), (33, 595940), (44, 446955), (55, 357564), (60, 327767), (66, 297970), (83, 236940), (110, 178782), (132, 148985), (165, 119188), (166, 118470), (220, 89391), (249, 78980), (330, 59594), (332, 59235), (359, 54780), (415, 47388), (498, 39490), (660, 29797), (718, 27390), (830, 23694), (913, 21540), (996, 19745), (1077, 18260), (1245, 15796), (1436, 13695), (1660, 11847), (1795, 10956), (1826, 10770), (2154, 9130), (2490, 7898), (2739, 7180), (3590, 5478), (3652, 5385), (3949, 4980), (4308, 4565)]