19423890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 54774720

約数和(自身を除く): 35350830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 37, 38, 45, 57, 74, 90, 95, 111, 114, 171, 185, 190, 222, 285, 307, 333, 342, 370, 555, 570, 614, 666, 703, 855, 921, 1110, 1406, 1535, 1665, 1710, 1842, 2109, 2763, 3070, 3330, 3515, 4218, 4605, 5526, 5833, 6327, 7030, 9210, 10545, 11359, 11666, 12654, 13815, 17499, 21090, 22718, 27630, 29165, 31635, 34077, 34998, 52497, 56795, 58330, 63270, 68154, 87495, 102231, 104994, 113590, 170385, 174990, 204462, 215821, 262485, 340770, 431642, 511155, 524970, 647463, 1022310, 1079105, 1294926, 1942389, 2158210, 3237315, 3884778, 6474630, 9711945, 19423890]

約数ペア:

[(1, 19423890), (2, 9711945), (3, 6474630), (5, 3884778), (6, 3237315), (9, 2158210), (10, 1942389), (15, 1294926), (18, 1079105), (19, 1022310), (30, 647463), (37, 524970), (38, 511155), (45, 431642), (57, 340770), (74, 262485), (90, 215821), (95, 204462), (111, 174990), (114, 170385), (171, 113590), (185, 104994), (190, 102231), (222, 87495), (285, 68154), (307, 63270), (333, 58330), (342, 56795), (370, 52497), (555, 34998), (570, 34077), (614, 31635), (666, 29165), (703, 27630), (855, 22718), (921, 21090), (1110, 17499), (1406, 13815), (1535, 12654), (1665, 11666), (1710, 11359), (1842, 10545), (2109, 9210), (2763, 7030), (3070, 6327), (3330, 5833), (3515, 5526), (4218, 4605)]