19655402720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{380329}}^1$

素因数の和:380380

約数の個数: 96

約数和(自身を含む): 51755306400

約数和(自身を除く): 32099903680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 2720, 3040, 3230, 5168, 6460, 10336, 12920, 25840, 51680, 380329, 760658, 1521316, 1901645, 3042632, 3803290, 6085264, 6465593, 7226251, 7606580, 12170528, 12931186, 14452502, 15213160, 25862372, 28905004, 30426320, 32327965, 36131255, 51724744, 57810008, 60852640, 64655930, 72262510, 103449488, 115620016, 122846267, 129311860, 144525020, 206898976, 231240032, 245692534, 258623720, 289050040, 491385068, 517247440, 578100080, 614231335, 982770136, 1034494880, 1156200160, 1228462670, 1965540272, 2456925340, 3931080544, 4913850680, 9827701360, 19655402720]

約数ペア:

[(1, 19655402720), (2, 9827701360), (4, 4913850680), (5, 3931080544), (8, 2456925340), (10, 1965540272), (16, 1228462670), (17, 1156200160), (19, 1034494880), (20, 982770136), (32, 614231335), (34, 578100080), (38, 517247440), (40, 491385068), (68, 289050040), (76, 258623720), (80, 245692534), (85, 231240032), (95, 206898976), (136, 144525020), (152, 129311860), (160, 122846267), (170, 115620016), (190, 103449488), (272, 72262510), (304, 64655930), (323, 60852640), (340, 57810008), (380, 51724744), (544, 36131255), (608, 32327965), (646, 30426320), (680, 28905004), (760, 25862372), (1292, 15213160), (1360, 14452502), (1520, 12931186), (1615, 12170528), (2584, 7606580), (2720, 7226251), (3040, 6465593), (3230, 6085264), (5168, 3803290), (6460, 3042632), (10336, 1901645), (12920, 1521316), (25840, 760658), (51680, 380329)]