19545075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 39171600

約数和(自身を除く): 19626525

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 53, 55, 75, 99, 149, 159, 165, 225, 265, 275, 447, 477, 495, 583, 745, 795, 825, 1325, 1341, 1639, 1749, 2235, 2385, 2475, 2915, 3725, 3975, 4917, 5247, 6705, 7897, 8195, 8745, 11175, 11925, 14575, 14751, 23691, 24585, 26235, 33525, 39485, 40975, 43725, 71073, 73755, 86867, 118455, 122925, 131175, 197425, 260601, 355365, 368775, 434335, 592275, 781803, 1303005, 1776825, 2171675, 3909015, 6515025, 19545075]

約数ペア:

[(1, 19545075), (3, 6515025), (5, 3909015), (9, 2171675), (11, 1776825), (15, 1303005), (25, 781803), (33, 592275), (45, 434335), (53, 368775), (55, 355365), (75, 260601), (99, 197425), (149, 131175), (159, 122925), (165, 118455), (225, 86867), (265, 73755), (275, 71073), (447, 43725), (477, 40975), (495, 39485), (583, 33525), (745, 26235), (795, 24585), (825, 23691), (1325, 14751), (1341, 14575), (1639, 11925), (1749, 11175), (2235, 8745), (2385, 8195), (2475, 7897), (2915, 6705), (3725, 5247), (3975, 4917)]